YASEC - Yamashina Seiki Co., Ltd. is deeply grateful to everyone who has supported us and to the employees who have overcome the difficulties that we can continue to enjoy manufacturing. increase. Our origin goes back to the production of the "micrometer" required for precision processing technology at the Yamashina Seiki Research Institute before the war. We have developed and manufactured machines required by the times, such as machine tools for general industry and automobile parts, heat exchangers and lubricators for ships and power plants . In 2009, we applied the technology we have cultivated so far to the medical field and started developing and manufacturing medical devices. Aiming for the 100th anniversary of our founding, Yamashina Seiki will continue to create a richer society together with you through manufacturing . Recognizing the SDGs as a universal goal, we promise to achieve both environmental and social issues and sustainable growth through our corporate activities . We look forward to your continued support and patronage.

Product type

  • Dedicated machine tool
  • Industrial machinery
  • Food machinery
  • Heat exchange equipment
  • Lubrication equipment
  • Medical equipment
  • Physics and chemistry equipment / hygiene products


  • Automotive industry
  • Construction / steel industry
  • Industrial machinery industry
  • Shipping industry


  • Engine
  • Brake parts
  • Industrial machinery
  • Axle parts
  • Stern parts
  • Transmission
  • Hydraulic equipment

Processing content

  • Facing
  • Bowling
  • Line boring
  • Milling
  • Drilling / tapping / reamer
  • Composite processing