... 9001:2000 Approved 2. OEM service available 3. Material: Copper (Aluminum Bronze, Bronze, Silicon brass) Iron(Ductile iron ... casting, gravity casting, low-pressure die casting, high-pressure die casting.3.CertificateISO9001,BV4.StandardASTM B6015.Specification ... , electroplating, mirror polishing.8.ServiceOEM service available9.Productcasting copper alloy pump and valve parts (unit weight ≥1kg)10 ...