History

Dec.1959 Established as a trading company with ¥2 million in capital.
Jul.1966 Increased capital to 8 million.
Dedicated efforts to import of semiconductor process tools and jigs to expand sale to semiconductor industry.
May.1976 Entered into an agreement with Parker Hannifin Corp.(U.S.).
Started sale of instrumentation fittings and valves to semiconductor, nuclear, electronics industry.
Apr.1978 Started sale of fluorocarbon resin fitting, valves to semiconductor, chemical, pharmaceutical, food and nuclear industry.
Nov.1984 Completed fluorocarbon fitting production factory in Hachimanpara Industrial Park, Yonezawa-shi, Yamagata Prefecture.
May.1990 Completed Thermocouple Factory in Hachimanpara Industrial Park, Yonezawa-shi, Yamagata Prefecture.
Jun.1994 Increased capital to ¥32 million.
Jan.1997 Completed Yonezawa Injection Molding Factory in Hachimanpara Industrial Park, Yonezawa-shi, Yamagata Prefecture.
Dec.2000 Yonezawa Injection Molding Factory obtained ISO 9001 certification for Quality Management System.
Nov.2002 Increased capital to ¥100 million.
Nov.2006 Introduced clean booth for inspection at Yonezawa Injection Molding Factory.
Sep.2012 Expanded production facilities in Yonezawa Injection Molding Factory to meet the increased demand.
Jul.2015 Introduced cleaning system into Yonezawa Thermocouple Factory, and introduced clean booth for assembly at Yonezawa Injection Molding Factory.
Mar.2016 Introduced 50t molding machine applicable for super engineering plastic into Yonezawa Injection Molding Factory.
Oct.2017 Additionally installed a super engineering plastic compliant 100t molding machine in Yonezawa Injection Molding Factory.
Jun.2018 Injection Molding Factory due to the increased production.
Installed 30t molding machine for the precision parts of super engineering plastic in Yonezawa Injection Molding Factory.
Mar.2020 Completed Yonezawa Third Factory in Hachimanpara Industrial Park, Yonezawa-shi, Yamagata Prefecture.
Apr.2021 Integrated Yonezawa Injection Molding Factory and Thermocouple Factory. Outsourced thermocouple production.
Nov.2021 Yonezawa Injection Molding Factory and Yonezawa Third Factory obtained ISO 14001 certification for Environmental Management System.