... 9001:2000 Approved 2. OEM service available 3. Material: Copper (Aluminum Bronze, Bronze, Silicon brass) Iron(Ductile iron) ... 7. Process: sand process casting 8. Application: pump parts 9. Surface treatment: Polishing, machining, machining center, platting, heat ... , electroplating, mirror polishing.8.ServiceOEM service available9.Productcasting copper alloy pump and valve parts (unit weight ≥1kg)10 ...