orthotics prosthetics orthotic knee joint material:SS304,17-4PH OEM,CNC machining,assemble, ... Packing: as per your demandwe can customize the products according to clients' drawings or the mould. Item DescriptionProcessProcess design; Mould ... 4340 etc AS: 15Cr3, 15CrNi6, 16MnCr5, 42CrMo4, 35CrMo, 40Cr etcsizeAccording to customers' requirementdesignpacking orthotics prosthetics orthotic knee joint