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Latest update: 30/11/2016 18:37:28

Yamada Seisakusho Co., Ltd.

We offer one of the highest-quality hydraulic components in the field of agricultural and industrial machinery. 

The field of precision parts machining always requires high precision, and most manufacturers mainly use machining technology. However, precision grinding technology is highly evaluated because grinding can achieve higher precision than machining. Our company excels at manufacturing poppet valves, which are hydraulic components, and we conduct all the manufacturing processes other than thermal processing in-house. Our grinding method is called whetstone fabrication. This involves processing the component using an NC lathe, and then processing its jagged part once more using an NC cylindrical grinder. Tolerances in outside diameter, roundness, and concentricity are within 2.0 microns, which remain the same in mass production.



Corporate name Yamada Seisakusho Co., Ltd.
Representative Hideto Yamada
Corporate website
Capital 10,000,000(JPY)
Number of Employees 25
Established date 1970
Head office: Country Japan
Head office: Address 19, Hanamasahichitanchi, Ama, Aichi, 490-1205
Industry Manufacture of general machinery
Main phone number +81-524421491