CHNSpec Technology （Zhejiang）Co.,Ltd

The National Standard for the Printing Industry Primarily Drafted by CHNSpec Has Been Officially Approved

Recently, the national standard Printing Technology—Color and Transparency of Four-Color Printing Inks—Part 2: Coldset Web Offset Printing (Plan No.: 20232426-T-421), led and primarily drafted by CHNSpec, has been officially approved and released. This standard is administered by the National Printing Standardization Technical Committee (TC170) and supervised by the National Press and Publication Administration (National Copyright Administration). Its implementation will inject critical momentum into the standardized and internationalized development of color quality control in China’s printing industry. As a technical specification that is identical to the international standard ISO 2846-2:2007, this standard precisely focuses on the core indicators of color and transparency of four-color printing inks in coldset web offset printing scenarios. It successfully fills the gap in China’s seamless alignment between technical requirements in this segmented field and advanced international standards, helping elevate the industry’s technical level to international benchmarks. Throughout the entire standard development process, CHNSpec fully leveraged its technical expertise and accumulated strengths in spectral measurement and colorimetric calculation, serving as a core technical support contributor. Drawing on many years of in-depth practice in the field of color measurement, the team deeply participated in the optimization of test methods for color uniformity and transparency tailored to the characteristics of coldset web offset inks. In particular, in key aspects such as measurement accuracy control and data repeatability verification, CHNSpec provided a large amount of detailed and reliable practical data, laying a solid foundation for the scientific rigor and practicality of the standard. CHNSpec worked closely with Shandong Taibao Information Technology Group Co., Ltd., Anhui Xinhua Printing Co., Ltd., Xi’an University of Technology, and other drafting organizations. Through multiple rounds of technical discussions, laboratory validation, and text revisions, all parties jointly promoted the continuous improvement of the standard content, ensuring that it not only meets real-world industry application needs but also maintains strict technical authority.

Overwhelming Popularity! CHNSpec Wins Over the Entire Venue with Hardcore Technology on the First Day of the ChinaCoat Exhibition

Shortly after the ChinaCoat exhibition opened, the CHNSpec booth was already “surrounded” by crowds! The sounds of inquiries and explanations intertwined into the liveliest melody, instantly pushing the first-day popularity to its peak. CHNSpec proved its brand strength with genuine, tangible popularity.   In the core exhibition area, the AI large-model coating color-matching system was packed with visitors eager to experience it. By simply importing a sample color card, the system could generate an accurate formula within seconds, improving efficiency by 80% compared with traditional methods. While operating the system, staff members explained its features, and their notebooks quickly filled with customer notes such as “automotive paint adaptation requirements” and “on-site trial after the exhibition.” The seats in the discussion area were never empty.   The adjacent multi-angle spectrophotometer exhibition area was even more bustling. As a dedicated color measurement solution for metallic and pearlescent paints, it leverages 12-angle measurement technology to solve color deviation issues caused by varying light angles in such special coatings. As soon as it was unveiled, it was immediately surrounded by customers from the coatings industry. “Batch color differences in pearlescent paint have always been our pain point. This device can accurately capture color difference values from different viewing angles—it’s truly practical!” said a technical director from a coatings factory while quickly taking notes during the demonstration, and he scheduled an in-depth technical exchange for the next day on the spot.   The DS-36D series spectrophotometer was particularly eye-catching. During the live demonstration, when the engineer announced the technical parameter “repeatability accuracy up to dE*ab ≤ 0.005,” it immediately sparked a wave of amazement. After repeatedly comparing the data, a customer from the automotive parts industry gave a thumbs-up and said, “This is exactly the kind of precision equipment we need to solve our batch color difference problems,” and promptly left a detailed requirement list for further in-depth collaboration.   From the first light of morning to the fall of dusk, the wave of inquiries at the CHNSpec booth never slowed down. Seats at the consultation desk were constantly “in short supply.” As soon as technical engineers finished answering parameter questions for one customer on the left, new visitors on the right were already waiting with samples in hand. Promotional material racks were emptied and replenished again and again, while registration forms grew thicker page by page. Some long-term clients came specifically with cooperation plans, while new partners attracted by the brand’s reputation stopped for in-depth discussions. Voices of consultation from different industries intertwined, and every business card exchanged carried potential collaboration opportunities. The busy yet vibrant scene was truly the most beautiful landscape of the exhibition.  

Good News | CHNSpec Wins the First Prize of the China General Chamber of Commerce Technology Invention Award

Recently, the China General Chamber of Commerce officially released the announcement of the selection results for the “2025 China General Chamber of Commerce Science and Technology Awards.” With its technological innovation achievement “Spectrophotometer Based on a Hyperspectral Imaging System,” CHNSpec successfully won the First Prize of the Technology Invention Award, demonstrating the company’s solid technical strength and industry-leading position in the field of color measurement technology. As an important award in China’s commercial science and technology sector, the China General Chamber of Commerce Science and Technology Award features a rigorous and standardized evaluation process. Candidates must be recommended by local chambers of commerce, industry associations, research institutions, and higher education institutions, and then pass multiple stringent stages including preliminary evaluation, expert review, evaluation committee approval, and public announcement. Award-winning projects represent a high level of technological innovation and application value in their respective fields. In this selection, a total of 143 Technology Invention Awards were granted, with only 41 First Prizes. CHNSpec’s award-winning project stood out among numerous entries thanks to its breakthrough technological innovation. Since its establishment, CHNSpec has consistently focused on the R&D and innovation of color measurement and optical detection technologies. The company has built a research and development team composed of senior industry experts and technical backbones, adhered to a market-demand-oriented approach, and continuously invested in tackling core technologies. This award is a high-level recognition of the company’s long-term commitment to scientific and technological innovation, and an important achievement of its development philosophy of “building the enterprise through technology and driving growth through innovation.” Looking ahead, CHNSpec will continue to deepen its efforts in core technology research and development, increase investment in scientific research, and continuously optimize product performance and application solutions. Through more high-quality technological innovation achievements, the company aims to empower the development of various industries and contribute greater strength to the advancement of China’s commercial science and technology and industrial upgrading.  

CHNSpec’s “Hyperspectral Data Acquisition, Modeling and Analysis Software” Successfully Selected for the 2025 Zhejiang Province First-Edition Software Product Catalog

Recently, the Zhejiang Provincial Department of Economy and Information Technology released the Notice on Announcing the “2025 Zhejiang Province First-Edition Software Product Application and Promotion Guidance Catalog” (Zhejiang Economic and Information Software Service [2025] No. 362). The independently developed “Hyperspectral Data Acquisition, Modeling and Analysis Software” by CHNSpec (Zhejiang) Co., Ltd. was selected as a key first-edition software product promoted by Zhejiang Province. CHNSpec (Zhejiang) Co., Ltd. is a “Specialized, Sophisticated, Distinctive, and Innovative” little giant enterprise focusing on spectral technology and digital modeling. The selected “Hyperspectral Data Acquisition, Modeling and Analysis Software” directly addresses industry pain points such as “difficulty in data acquisition, complexity in modeling, and low analytical accuracy” of hyperspectral data. It achieves expanded compatibility at the data acquisition stage, algorithm optimization in the modeling process, and visual presentation of analysis results. The software can be widely applied in scenarios such as industrial non-destructive quality inspection, agricultural crop growth monitoring, and precise identification of environmental pollutants. It effectively improves operational efficiency and the application value of data in related fields, supporting the digital transformation and upgrading of industries.    

CHNSpec Dual-Base Ultra-Cleanrooms Successfully Operating for 5 Years: Building a Solid Quality Foundation for Precision Manufacturing with Ultra-Clean Standards

On the track of precision optics and spectroscopic technology, “micron-level” precision control often begins with the protection of “cleanroom-grade” production environments. In 2020, the dual-base ultra-cleanroom laboratories invested and built by ***the “Specialized, Sophisticated, Distinctive, and Innovative Little Giant” enterprise CHNSpec were officially put into operation. Today, this “clean fortress” rooted in the two major production workshops in Hangzhou and Taizhou has reached the important milestone of five years of successful operation. Over the past five years, with high-standard hardware configurations and comprehensive authoritative system certifications, it has built a solid barrier for the manufacturing of core products and has become a vivid testament to CHNSpec’s deep commitment to precision manufacturing and its unwavering dedication to quality. As a technology enterprise focused on the research, development, and production of precision optical inspection equipment, CHNSpec is well aware that for precision optical components, a single speck of dust or a slight temperature difference can become a “fatal hidden risk” affecting product performance. For this reason, the dual-base ultra-cleanroom laboratories were constructed with a total floor area exceeding 500 square meters. With a layout featuring “division of labor, collaboration, and full-domain controllability,” they achieve dual guarantees of production capacity and quality: the Hangzhou workshop focuses on the manufacturing of core components, controlling component precision from the source; the Taizhou workshop undertakes finished product assembly and testing, ensuring that final product quality meets standards. The laboratories strictly adhere to the Class 100,000 cleanroom standard, with no more than 100,000 airborne particles of 0.5 microns or larger per cubic meter, fundamentally avoiding contamination risks and safeguarding the precision and stability of every device delivered from the factory. To achieve precise environmental control, robust equipment is the key support. CHNSpec’s ultra-cleanrooms are fully equipped with TICA purification units, which integrate high-efficiency filtration, precise temperature control, and constant humidity regulation. These systems can stabilize workshop temperatures within 20–24°C and control relative humidity within the ** range of 45%–65%, providing constant and suitable environmental conditions for the processing, assembly, and calibration of precision components. At the same time, the laboratories have established a comprehensive environmental monitoring system, regularly inspecting key indicators such as particulate content, temperature, and humidity to ensure that the clean environment continuously meets standards. This ensures that “ultra-clean standards” are not merely a written commitment, but a rigid guideline running through the entire production process. Beyond hardware, system certification is another layer of assurance for the high-standard operation of the ultra-cleanrooms. At present, CHNSpec’s production centers have passed three major authoritative system certifications: ISO9001:2015 Quality Management System Certification, ISO14001:2015 Environmental Management System Certification, and ISO45001:2018 Occupational Health and Safety Management System Certification. This signifies that the operation of the ultra-cleanrooms not only meets the stringent cleanliness requirements of product manufacturing, but also achieves comprehensive standardized management in quality control, environmental compliance, and employee health and safety, vividly interpreting the company’s development philosophy of “quality first, responsibility foremost.” Core Configuration of CHNSpec Dual-Base Ultra-Cleanrooms   Configuration Dimension Detailed Information Layout and Scale Covering two major production workshops in Taizhou and Hangzhou, with a total floor area exceeding 500 square meters Cleanliness Level Class 100,000 constant temperature and humidity standard Core Equipment Purification units (high-efficiency filtration, precise temperature and humidity control) System Certifications ISO9001:2015 Quality Management System Certification ISO14001:2015 Environmental Management System Certification ISO45001:2018 Occupational Health and Safety Management System Certification Five years of dedicated cultivation, with no pause in progress. The stable operation of the dual-base ultra-cleanrooms is an important milestone for CHNSpec in the field of precision manufacturing, and a direct reflection of the company’s technical strength and pursuit of quality. Looking ahead, CHNSpec will continue to operate its ultra-cleanroom facilities to high standards, continuously optimize production processes and quality control systems, and provide global customers with more precise and reliable optical inspection products—steadily advancing on the path of precision manufacturing and writing a dual answer sheet of quality and innovation.  

CHNSpec Spectrophotometer Empower Military Camouflage Technology! Supporting the Army Artillery and Air Defense Academy in Achieving Precise Detection of Color-Changing Coatings

Recently, the research achievement titled “Analysis of the Color-Changing Performance of Adaptive Thermochromic Coatings and Its Influencing Factors”, jointly completed by the Army Artillery and Air Defense Academy together with Fudan University, PLA Unit 32139, and other institutions, was officially published in the journal Coatings and Protection (Issue No. 10, 2025). In this study, CHNSpec precision Spectrophotometer served as the core testing equipment, providing accurate data support throughout the entire process of coating color-change performance testing, and helping the research team achieve key breakthroughs in the field of dynamic camouflage technology.     Urgent Demand for Dynamic Camouflage, Color Detection Becomes the Technical Core     Traditional military camouflage equipment mostly adopts static technologies. Once the camouflage color is fixed, it cannot be adjusted. When facing seasonal changes or environmental variations, manual replacement is required, and improper timing can easily lead to exposure of military targets. Adaptive thermochromic coatings, as a core technological pathway for dynamic camouflage, can automatically adjust color according to environmental changes such as temperature and illumination, achieving real-time integration with the background. However, issues such as color-change stability, weather resistance, and aging have long been key bottlenecks in engineering applications. Precise quantitative detection of color parameters is the core step to solving this problem. The research team needed to accurately measure changes in brightness and chromaticity of the coatings under different conditions and analyze the evolution of color difference in order to clarify the influence mechanisms of key factors such as resin type, coating thickness, and light source wavelength. With its high resolution and high stability detection advantages, CHNSpec precision Spectrophotometer became the designated color detection equipment for this study. Precise Quantification + Full-Process Support, CHNSpec Instruments Solve Detection Challenges During several months of experimental research, CHNSpec precision Spectrophotometer undertook multi-dimensional color detection tasks: by measuring the colorimetric parameters (L, a, b values) before and after coating color change, accurately calculating the total color difference ΔE, and providing quantitative evidence for the selection of different film-forming resins and the optimization of the ratio between thermochromic microcapsules and resins; during accelerated experiments such as temperature cycling and photoaging, regularly recording coating color change data to intuitively present the influence patterns of temperature ranges (-30°C to 60°C), different wavelengths (254 nm, 302 nm, 365 nm, 395 nm), and light sources (xenon lamps) on color-changing performance.   In response to the special detection requirements of thermochromic coatings, CHNSpec Spectrophotometer, with their precise chromaticity measurement capability, successfully captured the key characteristic of **blue-green phase coloration exhibited by a 70 μm coating due to optical interference effects, and clearly quantified the significant destructive effect of the 254 nm ultraviolet band on coating aging, providing reliable data support for subsequent anti-aging strategy formulation. Experimental data showed that formulations optimized based on the detection results of this instrument achieved more than 500 reversible color-change cycles, maintaining excellent stability in environments ranging from -20°C to 40°C. Technological Breakthroughs Empower Practical Applications, Industry–Academia–Research Collaboration Shows Results Relying on the precise detection data provided by CHNSpec Spectrophotometer, the research team ultimately identified waterborne polyurethane and polyvinyl alcohol as the **film-forming resin system, determined 70 μm as the **coating thickness, and innovatively proposed an anti-aging strategy of “constructing a UV absorber protective layer on the coating surface.” Compared with the traditional approach of adding absorbers directly into the system, this solution significantly improved anti-aging performance, providing important technical references for formulation optimization and weather resistance design of color-changing coatings. This research achievement not only fills the gap in studies on the aging mechanisms of color-changing camouflage coatings, but also lays the foundation for the engineering application of dynamic camouflage technology in China. As a leading domestic provider of color detection solutions, CHNSpec, with its precision Spectrophotometer featuring stable performance and accurate measurement results, has been widely applied in high-end research fields such as military industry, coatings, and new materials, continuously providing reliable detection support for key technological innovations in China. In the future, CHNSpec will continue to deepen its research and development in color detection technologies, launching more high-precision detection equipment suitable for special scenarios and extreme environments, promoting industry–academia–research collaborative innovation, and injecting greater precision-driven momentum into technological breakthroughs in national defense science and technology, new materials, and related fields. (The full journal article can be accessed via https://www.cnki.net by searching the article title “Analysis of the Color-Changing Performance of Adaptive Thermochromic Coatings and Its Influencing Factors”.)

Good news! CHNSpec Selected as a Key Enterprise Research Institute

Recently, the Zhejiang Provincial Department of Economy and Information Technology released the “2025 Proposed List of Key Enterprise Research Institutes in Zhejiang Province,” and CHNSpec has successfully been selected after multiple rounds of rigorous evaluation, earning provincial-level recognition for its strong R&D capabilities and technological innovation strength. Since its establishment, CHNSpec has adhered to R&D innovation as its core strategy, continuously increasing scientific research investment, building a top-tier R&D team, tackling numerous key core technologies, forming achievements of independent intellectual property, and widely empowering the development of multiple sectors with its products and solutions. This selection will further accelerate the upgrading of the company’s R&D platform, boost the aggregation of innovation resources, and expand the space for technological innovation and achievement transformation. In the future, CHNSpec will take this recognition as an opportunity to leverage the provincial innovation platform, deepen its focus on core technologies, strengthen industry–academia–research collaboration, accelerate achievement transformation, and play a leading and demonstrative role. The company will continue driving high-quality development and contribute to technological innovation and industrial upgrading in Zhejiang Province.  

Why Does Your Fabric’s UPF Value Always Fluctuate? Uncover the “Invisible Killers” Affecting Test Results

In the production and testing of sun-protective textiles, “unstable fabric UPF values” is a frequent headache for enterprises: the same swatch might test as UPF52 in the morning and drop to 45 in the afternoon; a batch passes in the workshop’s in-house test but fails at a third-party lab; even different parts of the same sun-protective garment may show significant UPF variation. This “up-and-down” test result not only makes it hard for companies to judge true product quality, but may also lead to falsely rejecting good products or accepting poor ones, triggering consumer complaints and regulatory risk.   Many enterprises blame unstable UPF on fabric quality, but ignore several “invisible killers” hidden in the testing process—factors seemingly unrelated to the fabric itself but directly interfering with measurement accuracy. To make UPF values “stable and controllable,” you must root out these killers and use specialized equipment to guard against them. The CHNSpec UPF-660 Series Textile Ultraviolet Protection Performance Analyzer, with deep adaptation to test environments and operational details, effectively counters these interference factors—providing enterprises with stable, reliable UPF data.     I. Expose the “Invisible Killers”: Four Major Factors Disturbing Your UPF Test Results   In real testing scenarios, the following four “invisible killers” are core reasons for unstable fabric UPF values. Many enterprises fall into the trap of repeated testing but confusing data because they overlook these details:   1. Ambient Light Interference: “Invisible UV Light” Steals Precision   UPF testing is fundamentally about measuring how much of specific-wavelength UV passes through fabric, then calculating protection efficiency. Should external ultraviolet sources (sunlight, UV components of fluorescent lighting) infiltrate the environment, these “stray lights” may pass through the fabric or be misinterpreted by the detector—leading to an apparent increase in transmittance, and thus a falsely lower UPF value.   2. Sample Condition Variability: Details You Overlook That Cause Data Fluctuations   The sample’s physical state (flatness, stretch, humidity) exerts far more influence on UPF value than many foresee:   Insufficient flatness: If the fabric surface has wrinkles, UV will refract or reflect at folds, causing instability in detector readings; multiple tests at the same location may diverge. Overstretch: Elastic sun-protective fabrics, if overstretched during testing, enlarge fiber gaps, raise UV transmittance, and reduce UPF values. Humidity influence: Moisture absorption changes fiber structure; some UV absorbers may dissolve or degrade, reducing UV-blocking performance and lowering UPF.   3. Lack of Equipment Calibration: “Unmaintained Instrument” Becomes a Data Pollutant   Core components degrade over time: light source output weakens, detector sensitivity declines—these shifts cause systematic drift in test data. A weaker light source means less UV illuminates fabric; a less sensitive detector undercounts transmitted UV—both distort results.   4. Nonstandard Operation: “Human Error” Amplifies Data Differences   Even with stable equipment and controlled environment, poor procedural discipline can cause unstable UPF:   Arbitrary sampling location: Different zones (edges, center, warp vs weft) inherently differ in density or coating thickness. Random sampling without averaging protocols leads to unrepresentative data. Incorrect placement angle: Many instruments require exact sample alignment. Tilted or imperfect contact changes the UV path length and alters transmittance measurement. Premature data capture: In manual devices, reading too early (before signal stabilizes) causes variation between repeated trials.   When multiple killers compound, test results “whipsaw.” The CHNSpec UPF-660 Series counters these in four dimensions—“light shielding, sample stabilization, calibration, and procedure standardization”—ensuring data clarity.     II. CHNSpec UPF-660 Series: Four Anti-Interference Designs That Make UPF Tests “As Stable as a Rock”   The CHNSpec UPF-660 is more than a measuring instrument—it’s engineered to actively resist interference, guaranteeing every test yields stable, accurate results. Its four core design features map directly to the invisible killers above:   1. Fully Enclosed Light Path: Isolate Ambient Light, No More “Stray Light” Interference   The UPF-660 uses a fully enclosed metal optical path, internally treated with matte black surfaces to absorb over 99% of stray light. Its test chamber features a light-sealing door, blocking external UV (sunlight, lighting) when closed, so the detector only reads UV from the instrument source.   Even in a brightly lit workshop, with the door closed, ambient interference is negligible. Tests show that under direct sunlight conditions, the UPF-660’s variation on the same fabric is ±1, far outperforming ±8 for traditional open systems. This “anti-interference” capability means you don’t need a dedicated darkroom—stable data comes in normal production spaces.   2. Standardized Sample Handling: Fix Sample State, Minimize “Detail Bias”   To mitigate sample variability:   Custom sample fixture: Holds fabric flat and aligned, eliminating wrinkles or tilting. For elastic fabrics, tension can be adjusted per standard (e.g. no stretch, or 5% stretch). Humidity alert: Built-in temperature/humidity sensors monitor chamber RH. If humidity exceeds a threshold (e.g. RH > 65%), the system warns “humidity too high, dry sample before testing,” preventing moisture skewing results. Multi-point sampling: Software supports testing multiple zones (e.g. 5 points: center + four corners) and averages them, reducing random spatial variation.   With these measures, repeated tests on the same batch remain within ±2 UPF variation.   3. Intelligent Calibration System: Auto-Correct Drift, Keep Equipment “Always Precise”   Three built-in smart calibration mechanisms:   Automatic dark current correction: On startup, the instrument measures background current with no light and subtracts it in subsequent tests, ensuring a true zero baseline. Scheduled light source calibration reminders: The system monitors usage hours and prompts calibration when due. Enterprises can calibrate using standard reference samples in minutes without needing external technicians. Temperature compensation: Key components include temperature sensors and compensation circuits. Between –10°C and 40°C, the system adjusts illumination and detector gain to counter ambient effect. In practice, across 10°C–35°C,   UPF deviations remain ±1.5, significantly narrower than traditional ±8 swings.   This “auto calibration + temperature compensation” design keeps the instrument accurate over long-term use, avoiding drift from neglect.   4. Standardized Operation Workflow: SOP Enforcement Minimizes “Human Error”   To reduce procedural error:   SOP-driven testing: Supports custom workflows (sampling locations, fixation mode, repeat counts, read timing). Operators follow on-screen steps—no need to memorize complex protocols. Automated averaging & recordkeeping: The system can auto-run multiple successive measurements (e.g. 3), compute the average as the final result, and archive every raw reading, averaged value, and spectrum for traceability. Sampling location guide: UI includes schematic showing the 5 standard points (center + four corners) on the panel, ensuring consistent sampling.   With these controls, even new operators generate consistent results following the same procedure.     III. Beyond “stability,” the UPF-660 delivers value in quality control, cost saving, and market trust:   For enterprises, the CHNSpec UPF-660 Series not only solves the pain point of “unstable UPF values,” but also creates long-term value   1. Enhance QC precision: avoid loss from misclassification   Stable data lets you reliably distinguish truly compliant from marginal fabrics, preventing both false rejection of good batches and acceptance of substandard ones.   2. Lower calibration & maintenance cost: reduce downtime   Traditional equipment requires frequent external calibrations—1–2 days and high fees. The UPF-660’s smart calibration lets you self-calibrate, preserving uptime and saving substantial yearly calibration costs.   3. Boost market credibility: use “stable data” to back product claims   When you can present consistent, traceable UPF reports, you defend against consumer doubts or regulatory checks with solid evidence.   In the sun-protective textile field, “stable UPF values” are more than a sign of product quality—they’re the foundation of brand trust and differentiation. If your enterprise still struggles with fluctuating data and neglects test-level interference, you risk lagging in quality control. The CHNSpec UPF-660 Series, via its four anti-interference pillars—fully sealed light path, standardized sample handling, smart calibration, and SOP-driven operation—pushes UPF data to be “rock-stable.”   Choosing the OPF-660 is not just acquiring a test instrument—it’s adopting a full stable, reliable QC system for sun-protective fabrics. With it, you no longer worry about fluctuating UPF numbers, freeing focus for R&D and market strategies. Start with CHNSpec UPF-660 to make “stable, controllable UPF” your standard.