... Copper (Aluminum Bronze, Bronze, Silicon brass) Iron(Ductile iron)and so on 4. Minimum order quantity: negotiable 5. Make ... send us your detailed information, such as drawing,specification and so on. We would like to provide you satisfactory ... and so on)2.Processsand casting, gravity casting, low-pressure die casting, high-pressure die casting.3.CertificateISO9001,BV4.StandardASTM B6015.Specification ...