We will exhibit a particle visualization system at the "25th International Nanotechnology Exhibition and Conference - nano tech 2026" (January 28 (Wed) - January 30 (Fri), 2026 / Tokyo Big Sight, West Hall Conference Building, West Hall 1, 1st Floor, 1W-Z34).

[Web demo in progress] Measurement procedure is a simple 4-step process that allows for PIV (velocity distribution measurement).

This is software that allows for easy PIV (Particle Image Velocimetry) measurements without requiring specialized knowledge. The measurement procedure consists of four steps, improving the efficiency of experiments and field measurements. (1) Loading video files (2) Setting scale, time, measurement area, arrow shape, and color bar (3) Setting the measurement scene range and starting the measurement (4) Displaying the measurement results 【Features】 ■ Supports multiple measurement areas ■ Allows for specifying the range of the measurement scene ■ Measurements can be taken with a simple four-step process This tool enables easy on-site video capture, helping to improve operational efficiency. Combined with our "Visualization System," it enables large-scale measurements. For more details, please contact us or download the catalog.

• Spectroscopic Analysis Equipment
• Other embedded systems (software and hardware)
• Fluid analysis contract

Evaluation of dust generation from mechanical parts and various materials. Real-time counting of the total amount of generated fine particles and particle size classification. Includes an evaluation report.

The "P-Wind" particle generation evaluation device is a new type of evaluation device developed by applying our particle visualization technology. It not only counts the total amount of particles generated from the test specimen in real-time but also simultaneously performs particle size classification. 【Features】 ■ It is capable of measuring the total amount of generated particles. Measurement and evaluation results are submitted as a report (in accordance with JIS B9926). ■ High-speed sampling technology enables highly responsive measurements. Even for test specimens with time-varying generation amounts, changes can be tracked and measured. ■ A wide range of evaluations is possible, from static products like clean supplies to dynamic products like robots. ■ Videos visualizing the particles along with count data can also be recorded, ensuring evidence of data in real-time footage. ■ The device is installed in an ISO Class 3 cleanroom, allowing measurements in an environment with almost no external influence on the data. ■ Customization of measurement conditions is also accommodated. For more details, please download the catalog or contact the person in charge.

• Testing Equipment and Devices
• Analytical Equipment and Devices
• Contract measurement

Are you troubled by the contamination or adhesion of foreign substances? Our experienced particle and airflow visualization system will solve your quality issues. Please feel free to consult with us!

The microparticle visualization system has solved numerous foreign matter contamination issues in manufacturing lines and pre-shipment inspections. One of its components, the ultra-high sensitivity camera, has been renewed, further enhancing its sensitivity performance. The accompanying software features proprietary high-speed image processing technology, allowing for immediate acquisition of quantitative data alongside the visualization of microparticles. Additionally, a new post-processing software for video has been included, enabling the extraction of various quantitative data from the footage. ■ We have prepared an ultra-high sensitivity lineup tailored to your needs: STD: A compact model with excellent portability HS: A model compatible with high-speed shooting EX: A high-spec model focused on the detection of nanoparticles ■ It can be used in various quality control scenarios. ■ Numerous example videos are available on our website. Please take a look: ⇒https://www.snk.co.jp/viest/movie.html ■ We are always accepting web introductions and demonstrations of visualization technology in general. ■ For more details, feel free to contact us via catalog download or the link below (our website). ■ We also accept commissioned evaluations by our specialized staff.

• Other environmental analysis equipment
• air conditioning
• Ventilation and Exhaust

If you are troubled by the contamination or adhesion of microscopic foreign substances, please feel free to consult us. We provide strong support not only for the visualization and evaluation of fine particles but also for the analysis of causes and improvements.

Our visualization system has solved numerous issues related to foreign matter contamination and deterioration of cleanliness on manufacturing lines. We contribute to improvements on-site with technology and systems that can visualize extremely small particles that are not visible to the naked eye, even in bright environments. ■ A diverse lineup of high-sensitivity systems Cameras: Models with excellent portability, high-speed shooting compatible models, and high-spec models capable of detecting nanoparticles Light sources: High-sensitivity, wide-range detection types, and ultra-small types that can be used within devices Software: Capable of recording visualization footage and obtaining quantitative data such as the number and diameter of particles ■ Usable in various scenes including production, quality control, and research and development ■ There are also tools available to visualize particles and scratches adhered to surfaces ■ For product details and video examples, please visit our website ⇒ https://www.snk.co.jp/viest/ ■ Products can also be introduced on the web ■ It is possible to commission specialized visualization technicians for cause investigation and evaluation, and we can also present improvement proposals, which have been well received. ■ We can also accept commissioned experiments for visualization, which can be utilized for verification of simulations, etc. ■ If you have any questions, please feel free to contact us through our website.

• Counting Machine
• Other measurement, recording and measuring instruments
• Contract Analysis

[Web demo in progress] A visualization-specific ultra-high-sensitivity camera equipped with the unique image processing technology "ViEST Engine," capable of visualizing the behavior of fine particles and airflow!

The ultra-high sensitivity particle visualization dedicated camera "Particle Eye(R)" is a digital camera specialized in detecting and quantifying weak scattered light from particles. Equipped with the uniquely developed high-speed image processing technology ViEST(R) engine, it enables high-sensitivity imaging while allowing for quantification simultaneously. While sharing ultra-high sensitivity visualization performance, you can choose from three types of lineups according to your needs: ■ Compact standard model "Particle Eye STD" ■ Model compatible with high-speed shooting "Particle Eye HS" ■ Ultra-high sensitivity model pursuing weak light sensitivity "Particle Eye EX" ■ We will exhibit at a real exhibition ■ You can experience the ultra-high sensitivity performance through demonstrations! 【 For more details, please download the catalog or contact viest@snk.co.jp 】

• Other environmental analysis equipment
• Monochrome camera
• Pinhole detector

In clean rooms and general rooms, airflow can be easily visualized and evaluated with good visibility through simple operation.

(1) Compact Rechargeable Pure Water Mist Generator "plus TRACER" This product generates ultra-fine, room-temperature dry mist using pure water (or distilled water) to visualize the "airflow" and "differential pressure" conditions in factories and clean rooms. Its compact, lightweight, and cordless design allows for airflow visualization in various locations, effectively reaching narrow spaces and inside equipment where access is difficult. Additionally, it can be mounted on a camera tripod for easy fixed installation work at high places. (2) LED Light Source for Visual Observation "D Light Type-P" This is a compact, lightweight, high-output, battery-powered LED light. It uses green light for excellent visibility. In addition to visualizing mist, it can also be used to detect foreign objects or scratches on object surfaces. By combining (1) and (2), even a small amount of mist can sufficiently visualize and evaluate the airflow on-site. ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝Free Demo Unit Rental Available Feel free to apply through the "Contact Us" section. ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝

• Leak Testing Equipment
• Other analyses
• Clean Room

We will solve the deterioration of defect rates caused by foreign matter contamination and airflow. A specialized ultra-high sensitivity camera for visualization can visualize invisible fine particles and airflow. [Web demo currently available]

The "Particle Eye," a camera dedicated to the visualization of microparticles, is a digital camera capable of detecting microparticles with ultra-high sensitivity. The accompanying software, which utilizes proprietary high-speed image processing technology, allows for the visualization of detected microparticles and the immediate acquisition of quantitative data. It can also be applied for extensive airflow visualization. ■ Ultra-high sensitivity lineup tailored to your needs ■ - Compact model "Particle Eye STD" with excellent portability - Model "Particle Eye HS" compatible with high-speed shooting - High-spec model "Particle Eye EX" focused on the detection of fine particles ■ We are available for online introductions and demonstrations at any time ■ ■ We will be exhibiting at a real exhibition ■ Experience the ultra-high sensitivity performance through demonstrations! - 6th Measurement, Inspection, and Sensor Exhibition [Tokyo] (within the 36th Monozukuri World [Tokyo]) June 19 (Wednesday) to June 21 (Friday), 2024, 10:00 AM to 6:00 PM (until 5:00 PM on the last day) Tokyo Big Sight, East Hall 1, E8-22 For more details, please feel free to contact us via catalog download or at viest@snk.co.jp.

• Color camera
• Monochrome camera
• High Speed Camera

[Demo unit available for loan] It can visualize foreign substances, dirt, and scratches on the surface. It is well-received as a daily use tool for yield management, quality control, cleaning management, and hygiene management!

D-Light is a compact, lightweight, high-output, and low-power consumption LED light source. We offer two types in our lineup: Type-F and Type-P. ■ D-Light Type-F This type allows for clear visual detection of foreign particles and dirt adhering to the surface of objects by making them luminescent. Additionally, the differences in the color of the emitted light can help estimate the type of contaminants. It is a surface observation tool that has never been seen before. ■ D-Light Type-P This type is suitable for observing surface conditions, such as detecting particles and scratches on surfaces and checking for unevenness. It can reduce the glare caused by diffuse reflection on surfaces that are difficult to observe, such as metallic paint surfaces of metals and automobiles, allowing for the visibility of foreign substances. It enables surface observation that was previously considered difficult with conventional lights. It can also be used to observe floating particles and mist. ★ This tool is helpful for improving the efficiency of visual surface inspections. ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ 　　　Free rental of demo units is currently available. Please feel free to apply through "Contact Us." 　　We encourage you to try it out! ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝

• Other inspection equipment and devices
• Visual Inspection Equipment
• Analytical Equipment and Devices

Are you struggling with the contamination or adhesion of tiny foreign particles? Our experienced particle and airflow visualization system can help improve your yield. Please feel free to consult with us!

The particle visualization system has solved numerous issues related to foreign matter contamination and deterioration of cleanliness on manufacturing lines. It contributes to on-site improvements through technology and systems that visualize invisible microscopic foreign substances with high sensitivity, as well as quantitative data on the size and number of foreign matter. ■ We offer a diverse lineup of high-sensitivity systems. Cameras: Models with excellent portability, high-speed shooting compatible models, and high-spec models capable of detecting nanoparticles. Light sources: High-sensitivity, wide-range detection models, and ultra-small head models that can be used within devices. * Software is also included that allows for the acquisition of quantitative data through image processing while recording visualization footage. ■ It can be utilized in various scenes of production and quality control. ■ For more details about the system, please visit our website. Numerous shooting case videos are also available. ⇒ https://www.snk.co.jp/viest/ ■ We can introduce visualization technology in general on the web. Shooting demonstrations are also conducted. ■ You can also entrust the evaluation of the site to our specialized visualization technical staff. We often provide improvement proposals that are well received. ■ If you have any questions, please feel free to contact us through our website.

• Counting Machine
• Other measurement, recording and measuring instruments
• Contract Analysis

This is a portable particle detection device that can simultaneously visualize and count fine particles for quantitative management of fine particles.

The mobile particle visualization and counting system "Type-S" allows for the visualization and counting of suspended particles simultaneously and in real-time, without the need for knowledge of visualization or photography techniques, and with extremely simple operation. The visualization video of the particles and the counting values are continuously displayed on the attached monitor via dedicated software. Additionally, these results can be saved to a file, enabling highly traceable and persuasive particle management. Equipped with a mobile battery, it can be freely transported within the factory without power cords while exploring the source of generation. It can also be mounted on a tripod for fixed-point observation. It can serve as a tool for improving operational efficiency in response to the demand that "traditional measurement methods for particles lack space, manpower, and time." It is recommended for the following concerns: ■ I want to find the source of dust... ■ I want to locate leaks in high-performance filters... ■ I want to visualize and count in real-time... ● We provide product introductions and demonstrations via the web. Please take advantage of this. ● For more details, please download the catalog or contact us through our website.

• Analytical Equipment and Devices
• Other environmental analysis equipment
• air conditioning

Are you troubled by the contamination of floating foreign substances? This new product from our particulate visualization system has solved many problems that cannot be resolved by simply checking the airflow.

The microparticle visualization system has solved numerous foreign matter contamination issues on manufacturing lines. One of its components, the ultra-sensitive camera, has been renewed and is now available for sale as "Particle Eye." It features enhanced sensitivity compared to previous models and offers three different options to choose from based on your needs. Additionally, the accompanying software is equipped with proprietary high-speed image processing technology, allowing for real-time acquisition of quantitative data alongside the visualization of detected microparticles. ■ Ultra-sensitive lineup tailored to your needs - Compact model with excellent portability (STD) - High-speed shooting compatible model (HS) - High-spec model focused on detecting nanoparticles (EX) ■ It can be used not only in clean rooms but also in general environments. ■ Our website features numerous example videos. Please take a look! ⇒ https://www.snk.co.jp/viest/movie.html ■ We are always available for online product introductions and demonstrations. ■ For more details, feel free to contact us via catalog download or through the link below (our website).

• Flow Meter
• Other environmental analysis equipment
• Flow Sensor

As the new year begins, I would like to extend my heartfelt congratulations on your continued prosperity. I sincerely appreciate your exceptional support throughout the year. This is the STJ Group (Santelecom Japan, STJ Rentec). Now, I am pleased to announce that we will be opening our "Transceiver & Smartphone Rental Shop" simultaneously at three locations nationwide on January 26 (Monday)! ■ List of Services to be Offered - Same-day pickup/return of rental equipment - Usage explanations and demonstrations of rental equipment - Wireless solutions consultation desk - Mobile BPO service counter As a special promotion to celebrate the opening of the rental shop, we are currently running a special price campaign for picking up rental equipment at the shop! For more details, please contact us!

【Notice of Year-End and New Year Holidays】 Thank you very much for your continued support. Our company will be closed for the year-end and New Year holidays as follows: Holiday Period: Saturday, December 27, 2025 – Sunday, January 4, 2026 Please note that inquiries and orders received during the holiday period will be addressed sequentially starting from Monday, January 5, 2026. We apologize for any inconvenience this may cause and appreciate your understanding.

We would like to inform you about our participation in the IT Trend EXPO 2026 Spring. 《Exhibition Information》 With the concept of "New encounters will change tomorrow's work," one of the largest online exhibitions in the industry will be held. NTT TechnoCross will exhibit in the Human Resources Comprehensive category. We have prepared numerous discussions and sessions featuring special guests who are active on television, allowing even those who are usually busy to efficiently gather information on products and services related to IT and DX. Additionally, the first 10,000 participants will receive a 500 yen Amazon gift card. Please apply early. 《Exhibition Overview》 March 3 (Tuesday) to March 7 (Saturday), 2026, online (free: pre-registration required) 《Participation Application》 https://it.expo.it-trend.jp/key/opl7kgdj *Please apply (free) from the "Receive Ticket / Proceed to Participation Registration" link at the above URL.

The TV commercial "What Will You Do in the New Era?" featuring model and actress Akane Horita will begin airing on December 26, 2025. This work expresses the desire of Tokei Densan to respond to the diverse needs of various industries in today's society, where new technologies, such as the expansion of the AI market, are competing with each other, and to nurture and blossom our customers' futures. Please pay attention to Akane Horita, who is dressed in stylish outfits, listening to the concerns of the target audience and offering support. # CM Overview Title: "What Will You Do in the New Era?" (30 seconds / 15 seconds) CM URLs 30 seconds: https://youtu.be/y_lMs0HRj3w 15 seconds: https://youtu.be/egpzMfh8Kok

Thank you very much for your continued support. We would like to inform you that our company will be closed for the year-end and New Year holidays as follows: Year-end and New Year holiday period: December 27, 2025 (Saturday) to January 4, 2026 (Sunday) We apologize for any inconvenience this may cause and appreciate your understanding. *Please note that inquiries made through our website will also be responded to after January 5, 2026 (Monday).