1950:Established at Niigata, Japan.
1950:Went into business of selling fiber ropes.
1950:Went into business of selling wire ropes.
1951:Went into business of selling agriculture
and forest goods.
1964:Replaced office and factory to current location
due to be destoryed in Niigata Earthquake.
1977:Went into business of FA maintenance service.
1987:Opened Joetsu branch.
1987:Opened Sado branch.
1988:Went into business of selling mono-rail.
1988:Introduced LD-500, wire rope press machine.
1990:Went into business of selling clane wire rope.
1990:Went into business of selling gate wire rope.
1990:Went into business of selling Korean wire rope.
1990:Introduced LD-1200, wire rope press machine.
1994:Introduced REH-500, universal testing machine.
1998:Went into business of selling Taiwanese wire rope.
2000:Introduced C-500, wire rope press machine.
2001:Introduced HPS-26P-D, pre-tension machine.
2006:Certified ECO-STAGE.
2011:Introduced HZS-150P-D, pre-tension machine.
2014:Introduced C-310, wire rope press machine.
2015:Introduced C-270, wire rope press machine.
2017:Introduced D-2000N, wire rope press machine.
