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Tokai Rock, a group company of Koyama Co., Ltd. located in Numazu City, Shizuoka Prefecture, relocated its headquarters and factory at the end of last year and is now operating at full capacity with new equipment. At Tokai Rock, we protect our customers' screws from "loosening" and "deflection" over time by applying adhesive to the screw parts. We accommodate small lots, a variety of products, and short delivery times. Additionally, as a certified factory of the major adhesive manufacturer Henkel, we provide comprehensive support for environmental surveys and material certifications. Please feel free to contact the Development Sales Department of Koyama Co., Ltd. at ☎03 (3363) 3711.

Recently, we have seen an increase in requests related to public institution bids. This is because our company serves as a primary agent for Trusco Nakayama Corporation and has dealings with numerous manufacturers, including As One Corporation and Sanko Industry Co., Ltd. As a result, we can accommodate a wide range of orders, from small quantities such as a box of screws, a single tool, a box of vinyl gloves, or a pair of shoe covers, to larger volumes. We can offer prices lower than market rates, so if you have any items you need, please feel free to contact us first.

Koyama Co., Ltd. has branches in Vietnam, Shanghai, Hong Kong, and the Philippines, staffed by experienced salespeople. We can provide speedy and satisfactory proposals for procurement from local suppliers as well as sales to local Japanese companies at competitive prices. We would be grateful if you could consult Koyama Co., Ltd. for any requests overseas. As of July, due to the merger of Dong Nai Province and Binh Phuoc Province, the address of our Vietnam branch has changed. New Address: Room 3, 2nd Floor, Long Duc Industrial Park Operations Center, Long Duc Industrial Park, Binh An Commune, Dong Nai Province, Vietnam Contact: +84-0251-3681039 (Contact: Narai)