... coating, painting, spraying,etc OEM cnc cast iron valve body Specifications ... ,aluminum,zinc etc2.Casting(sand casting,investment casting,lost wax casting,die casting etc),forging,machining3 ... casting, die casting, forging, stamping, machining etc5min tolerance0.05mm6capacity0.5~5000kg7surface treatmentpowder coating, painting, spraying, galvanization8standardJIS, ANSI, DIN, BS, GBOEM and Customized ...