発研セイコー Official site

Company information

All signs in one stop.

Hakken Seiko Co., Ltd. is a company primarily engaged in the manufacturing and sales of architectural hardware. We provide a range of services including CAD, production drawings, and processing data creation, as well as laser cutting, LED selection, and assembly, all carried out in-house at our factory, allowing us to offer products with short lead times. Additionally, we utilize our own manufacturing machinery, the V-groove processing machine (V-GOGO-Z), to perform precision sheet metal processing. Please feel free to contact us when you need our services.

Business Activities

■Manufacturing and sales of architectural hardware ■Design, manufacturing, and sales of machinery and tools for metal processing ■Sales of precision instruments ■Production, sales, and leasing of indoor and outdoor advertising signs and displays ■Sales, leasing, and import/export of electric lighting fixtures ■Design and construction of interior decoration ■All operations incidental to the above items

Company overview

  • Company name 発研セイコー
  • Establishment
  • Address 〒121-0836 Tokyo/ Adachi-ku/ 5-15-5 Iriya View on map
  • TEL 03-3890-1733
  • FAX 03-3890-1751