Machine Part, Fastener, Bolt manufacturer / supplier in China, offering Customized Non-Standard Parts SKD11, Skh51, H55, Cylindrical Punches., Cold Forming for Nev Car Battery Color-Zinc Plated Round Head Torx Screws, OEM Fastener Fitting Zinc Plated Springless Strut Nut Knurling Plane Channel Nuts and so on.