... spare parts.Main Product:stainless Steel casting, Lost Wax Casting,Investment Casting,Heat Sand Core Casting, Machining Part, ,CNC ... , gray iron......Standard: ASTM, AISI, BS, DIN, JIS, NFProcess: investment casting, sand castingMachining: turning , milling, drilling, grinding, threading, CNC ... on the actual design)CertificateISO 9001-2008 Standard investment casting for carbon steel/stainless steel