OEM Metal Parts TSI's ISO 9001 certificated precision metal products manufacturing plant specializing in the supply of OEM metal parts and focus on metal stamping parts, turned parts,CNC precision parts, casting parts, forging parts..etc.. Capable of low & high volume requirements made from our metal parts process facilities like metal-stamping, auto-turning, milling, multi-spindle, CNC machining, metal extrusion, cold forming, forging, casting.