... .4Stainless Steel, Heat resistant Steel,Carbon Steel,Aluminium Alloy and other materialCompound Shell Precision CastingCT5~7Ra6.4~12.5Stainless Steel, Al Alloy,carbon steel, Ally Steel, Copper ... from our customers. ServiceOEM/ODM are welcomeMaterialStainless Steel, Heat resistant Steel,Carbon Steel,Aluminium Alloy,Alloy Steel, Copper Alloy , Ductile Iron and etcProcessShell Building, Pouring, ...