... kinds of precision casting spare parts.Main Product:stainless Steel casting, Lost Wax Casting,Investment Casting,Heat Sand Core Casting, Machining Part, ,CNC Machining Parts etc.Material: ductile ... , brass, gray iron......Standard: ASTM, AISI, BS, DIN, JIS, NFProcess: investment casting, sand castingMachining: turning , milling, drilling, grinding, threading, CNC machining, etc ...