... products exported to France ,Germany, Italy, USA and other countries, won national award of quality controlling from ... and pneumatic parts field: valve, fairlead, gear wheel and piston;2. Machine tool parts: sea saw, guiding rail, worktable and transmission gear;3. Metallurgy machine parts ... gear, gear box etc.7. Weave and printing machine parts: roller, axis, gear and flange;8. Train making fields: ...