We will manufacture wire cut electrical discharge machining products!

We have numerous product supply achievements with major manufacturers! We also have specialized engineers, so please feel free to consult with us.

Our company offers "wire cut electrical discharge machining," which broadens the scope of our machining technology. We cater not only to standard machined products but also to difficult-to-machine materials and precision machined products in the aerospace and medical fields. Additionally, we are equipped with various inspection devices for quality assurance. We can also accommodate additional requests such as strength testing and other investigations in-house, so please feel free to consult with us. 【Features】 ■ Capable of handling difficult-to-machine materials and precision machined products ■ Consideration for prototype and small-lot production orders ■ Extensive track record of supplying products to major manufacturers ■ Ability to accommodate additional requests in-house *For more details, please refer to the PDF document or feel free to contact us.

• Electric discharge machine

To expand the range of processing technologies, we have introduced wire-cut electric discharge machining equipment. We also accommodate difficult-to-cut materials and precision machining in the aerospace and medical fields!

Yamato Seiko Co., Ltd. Introduces Wire Cut Electrical Discharge Machining To broaden our machining technology capabilities, we have introduced a wire cut electrical discharge machining system. Leveraging the strengths of wire cut electrical discharge machining, we will also cater to the processing of difficult-to-cut materials and precision shape machining in the aerospace and medical fields. We are also considering responses to prototype and small-lot production orders.

• Other machine elements
• Electric discharge machine
• others

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).