orthotics prosthetics orthotic knee joint material:SS304,17-4PH OEM,CNC machining,assemble,service are available orthotics prosthetics orthotic knee joint1.Quality standard: ISO9001:20002.Technique: silica sol technique3.Material: stainless steel,carbon steel,alloy steel etc4.Standard: ASTM,BS,DIN,JIS etc5.Production capacity: more than 600 tons per year6.Minimum order quantity: 0.5ton7.Delivery ...