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