... of 500 people, annual production more than 15 thousand tons, with ISO90000:20000 certification,, products exported to France ,Germany, Italy, ... used widespread in below area: 1. Hydraulic pressure and pneumatic parts field: valve, fairlead, gear wheel and piston;2. ... guiding rail, worktable and transmission gear;3. Metallurgy machine parts: the transporting roller for the high-speed wire rolling mill ...