OEM/ODM stamped parts, stamping parts with laser cutting, die stamping, CNC punching, , CNC shearing 1. Product Name: Investment Casting / Precision Casting Parts / ball Valves / stainless steel ... treatment after casting, such as machining, polishing, and plating 5. All sorts of precision casting parts: Marine casting parts, auto parts, machinary casting parts, pump parts, hardware parts 6. OEM are ...