... ) Certification: ISO16949, ISO9001, ISO14001. High precision metal parts1) CNC turning parts(maching, milling, grinding and various surface treatment)2) Certification: ISO16949, ISO9001 ... control and SPC, MSA software managementCNC turning parts, CNC maching parts. Main products:Precision metal parts like various nuts,screws,axes,bolts,caps,stamping ...