... 2~6.4Stainless Steel, Heat resistant Steel,Carbon Steel,Aluminium Alloy and other materialCompound Shell Precision CastingCT5~7Ra6.4~12 ... ServiceOEM/ODM are welcomedMaterialStainless Steel, Heat resistant Steel,Carbon Steel,Aluminium Alloy,Alloy Steel, Copper Alloy , Ductile Iron and etcProcessShell ... for your business. Spindle support plate for bottle make production line(investment casting product)