Announcement of advertisement publication in the November 2022 issue of "Machines and Tools: Special Feature on Exhibited Products at the Japan International Machine Tool Fair JIMTOF 2022."

Cleaning the coolant tank that used to take a whole day is now done in just 10 minutes! Improving cleaning efficiency and reducing unpleasant odors contribute to environmental enhancement!

The automotive manufacturer Company I had three people cleaning the coolant tanks of machine tools, which took almost a whole day and had become the norm (standard operation). Therefore, we introduced 'APDQO-F'. It can be operated by one person, and the work time was remarkably improved to about 10 minutes. Additionally, for machine tools that were difficult to manage, we had been outsourcing the work, which incurred costs. However, after the introduction, we were able to perform the work in-house, resulting in cost savings. 【Solution】 ■ APDQO-FF Non-woven fabric filter type for drum cans - Replaceable non-woven fabric, disposable type ■ APDQO-FS SUS filter type for drum cans - The filter is made of stainless steel, allowing for repeated use *For more details, please refer to the PDF document or feel free to contact us.

• Other pumps

Cutting fluids for machine tools can be reused! Tank cleaning time is significantly reduced!

**APDQO Series** APDQO-FF100 (Non-woven Fabric Filter) APDQO-FS100 (Stainless Steel Filter) APDQO-FB100 (Bag Filter) ◎ Does not use electricity ◎ Automatically stops when full ◎ Equipped with a safety valve as standard **Benefits** ● Enables reuse of cutting fluid ● Improves tool life ● Safe due to air drive with no electric leakage ● Cleaning time as short as 5 minutes **Features** ● Designed specifically for JIS standard 200L open drums ● Capable of separating cutting fluid and chips ● Safety valve and float included as standard **Applications** The air-operated tank cleaning filtration cleaner APDQO-F series is capable of cleaning tanks of machine tools as well as filtering and separating 'liquids' and 'solids'. Therefore, in addition to filtering chips and sludge from machine tools, it can be used for the following purposes: ● Cleaning of machine tool tanks (removal of chips and sludge and reuse of cutting fluid) ● Separation and sorting of food waste in wastewater at food processing plants (restaurants) ● Separation of water and sludge from mountains and rivers ● Separation and sorting of waste and sewage

• Filtration Equipment

Reusing cutting fluids for machine tools and tank cleaning.

**APDQO Series** APDQO-FS (Stainless Steel Filter) APDQO-FF (Non-woven Fabric Filter) APDQO-FB (Bag Filter) ◎ Does not use electricity ◎ Automatically stops when full ◎ Equipped with a safety valve as standard **Benefits** ● Enables reuse of cutting fluid ● Improves tool life ● Safe with no electric leakage due to air drive ● Cleaning time as short as 5 minutes **Features** ● Designed specifically for JIS standard 200L open drums ● Capable of separating cutting fluid and chips ● Safety valve and float included as standard **Applications** The air-operated tank cleaning filtration cleaner APDQO-F series is capable of cleaning tanks of machine tools and filtering and separating both "liquids" and "solids." Therefore, in addition to filtering chips and sludge from machine tools, it can also be used for the following purposes: ● Cleaning machine tool tanks (removing chips and sludge and reusing cutting fluid) ● Separating and sorting food waste in wastewater at food processing plants (restaurants) ● Separating water and sludge from mountains and rivers ● Separating and sorting waste and sewage

• Filtration Equipment

Ideal for transferring liquids from drums for kerosene, light oil, and gasoline! Switching between discharge and suction is easy with just one lever.

◎Explosion-proof design that does not use electricity ◎Can be stored in a sealed manner ◎Compatible with high-viscosity liquids ◎Low failure rate 《Advantages》 ●Dual-use for suction and discharge ●Minimal residual liquid (approximately 200cc), efficient discharge ●Safe transfer of volatile and flammable liquids ●Cost-effective with low failure rates, reducing expenses ●Low air consumption, energy-saving ●Acceptable for small amounts of foreign matter contamination ●Continuous operation possible ●Easy adapter installation (bag nut type) 《Features》 ●Designed specifically for JIS standard 200L closed drums (large cap G2) ●Includes grounding wire for static electricity prevention *Only for G and AS ●Built-in float ball for leak prevention function

• Other pumps

Ideal for transferring liquids from oil drums! Switching between discharge and suction is easy with just one lever.

◎Explosion-proof design that does not use electricity ◎Can be stored in a sealed manner ◎Compatible with high-viscosity liquids ◎Low failure rate 《Advantages》 ●Dual-purpose for suction and discharge ●Minimal residual liquid (approximately 200cc), no waste in discharge ●Safe transfer of volatile and flammable liquids ●Cost-effective with low failure rates, reducing expenses ●Low air consumption, energy-saving ●Acceptable for small amounts of foreign matter contamination ●Continuous operation possible ●Easy adapter installation (bag nut type) 《Features》 ●Designed specifically for JIS standard 200L closed drums (large cap G2) ●Equipped with an anti-static grounding wire *only for G and AS ●Built-in float ball for leak prevention function

• Other pumps

Ideal for transferring liquids from solvent drums! Switching between discharge and suction is easy with just one lever.

◎Explosion-proof design that does not use electricity ◎Can be stored in a sealed manner ◎Compatible with high-viscosity liquids ◎Low failure rate 《Advantages》 ●Dual function for suction and discharge ●Minimal residual liquid (approximately 200cc), no waste in discharge ●Safe transfer of volatile and flammable liquids ●Cost-effective with low failure rates, reducing expenses ●Low air consumption, energy-saving ●Acceptable for small amounts of foreign matter contamination ●Continuous operation possible ●Easy adapter installation (bag nut type) 《Features》 ●Designed specifically for JIS standard 200L closed drums (large cap G2) ●Includes grounding wire for static electricity prevention *Only for G and AS ●Built-in float ball for leak prevention function

• Other pumps

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).