Notice of Participation in the "Yakiniku Business Fair / Izakaya JAPAN"

STOP food poisoning. Ozone water concentration 1.5ppm, 99.9% kill rate. Strongly supports hygiene management with disinfectant water made from tap water.

The small ozone water production device (SAT-GW series) is a unit that can generate ozone water with just one installation. It can be selected based on its intended use, either as a wall-mounted or portable model. It is easy to use only when needed, and it is low-cost with excellent maintenance features. <Features> 1: Does not create resistant bacteria It dissolves nucleic acids (RNA and DNA), preventing the creation of resistant bacteria. 2: Safe and secure Unlike chlorine-based agents, there is no worry about skin irritation, allowing for safe use. 3: Pure ozone generation With built-in PSA, it does not produce Nox and generates high-purity ozone water. Maintenance after installation is handled by our specialized in-house team, so you can be assured of aftercare and emergency response. For more details, please contact us or download the catalog.

• Ozone Generator

Virus inactivation and sterilization with mercury-free excimer lamp [Medical device approval obtained]

The mercury-free excimer lamp generates ozone to inactivate and sterilize airborne and surface viruses and bacteria. You can choose from two types, "Eximan S" and "Eximan M (approved as a controlled medical device)," depending on the location and application. The installation methods include "ceiling-mounted/direct ceiling type" and "ceiling recessed type," making it possible to install in any location, from existing buildings to new constructions. <Features> 1: Approval as a controlled medical device It is the first ceiling-mounted ozone gas sterilization device to obtain approval as a controlled medical device (Class 2). 2: The world's first environmental revolution It adopts a mercury-free excimer lamp using the excited dimer method with xenon. It does not use mercury, which is an environmental pollutant. 3: Sterilization, deodorization, and bacteriostasis with one unit In unoccupied conditions, high-concentration ozone fumigation acts on both airborne and surface bacteria, sterilizing the entire space. In occupied conditions, it releases low-concentration ozone for deodorization and bacteriostasis. 4: Maintenance management Ozone is generated from oxygen in the air, so there are no raw material costs. The released ozone returns to oxygen, leaving no residue.

• Ozone Generator

Ideal for addressing odor control needs in the neighborhood.

Arushiman is a deodorizing device for kitchen exhaust that was developed using nanoparticle technology. It achieves high deodorization effectiveness and long filter life through two mechanisms: "adsorption-desorption" and "catalytic decomposition" enabled by nanoparticle technology. By installing the necessary number of deodorizing filters according to the processing air volume, it can accommodate various requests and shapes, addressing the needs for odor control in regulated areas under the Odor Prevention Law, as well as concerns regarding cooking odors emitted from kitchens, thus meeting the needs for odor control in neighboring areas.

• others

Quickly deodorize and disinfect the space, creating a comfortable environment with "Radica."

The wall-mounted ozone deodorization device "Radika" is an ozone deodorization system that can be installed in various locations, from existing buildings to newly constructed ones. Since it can be installed individually, it allows for concentration adjustments in each room. <Features> 1: Generation of pure ozone By adopting a lamp method, it is capable of generating ozone without NOx (nitrogen oxides) or impurities. 2: Low running costs The use of inverter-type cold cathode lamps extends the lifespan of the lamps and achieves low running costs. 3: Safety control Automatic operation via a timer eliminates the need for manual operation. Ozone levels can be set according to the size of the room and the odor level. 4: Easy installation Compatible with power outlets, making installation simple. It can also be retrofitted to existing buildings. For more details, please contact us or download the catalog.

• Other environmental equipment

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).