As a united group, we propose fastening materials and parts made from special forged products and machined products.
Kofu Seibyo Co., Ltd.: We manufacture and sell special forged parts (screws, rivets, shafts) and parts feeders. Nihon Mechanic Co., Ltd.: We are a professional group specialized in the manufacturing of shafts and rollers. We can also accommodate prototypes and urgent delivery requests. Sanko Techno Co., Ltd.: We are the top domestic manufacturer of post-installed anchors. Together with Kofu Seibyo and Nihon Mechanic, we tackle our customers' challenges.
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Founded in 1964, our company has grown with a primary focus on the development and sales of post-installed anchors, which are used to install equipment into concrete structures, supporting safe and secure living environments. Building on this expertise, we have also developed seismic reinforcement methods and alcohol detection devices designed to prevent drunk driving, contributing to the maintenance and advancement of social infrastructure through diverse business activities. For inquiries regarding our products and services, please feel free to contact us.









