... : ss304 17-4ph 2.OEM , machining, assemble service are available ss artificial body parts1.ISO9001:2000 Approved2.technique:silical sol technique3 ... : 15Cr3, 15CrNi6, 16MnCr5, 42CrMo4, 35CrMo, 40Cr etcsizeAccording to customers' requirementdesignpacking ss artificial body parts