custom-made pump impeller cd4mcu 1.material:SS316,SS316L,CF8M,CF3M,CD4MCU, ... parts,train,craft,doorhandle,construction and so on.11.Surface treatment:polishing,maching,plating,heat treatment ,etc12.we can do the CNC machining service ... : 15Cr3, 15CrNi6, 16MnCr5, 42CrMo4, 35CrMo, 40Cr etcsizeAccording to customers' requirementdesignpacking custom-made pump impeller cd4mcu