... , polishing, and plating5. All sorts of precision casting parts: marine casting parts, auto parts, machinary casting parts, pump parts, hardware parts6.OEM are welcomed. PROCESSMATERIALSTANDARDSAND CASTINGGreen SandGrey ... , Brass, AluminiumDie ForgingRoll ForgingSTAMPING MACHINING All Metal Material Quality System CertificateISO 9000Dimension ToleranceCT7Surface RoughnessRa6.4~12.5Casting Weight0.05 ...