... acceptable non-standard parts precision casting and cnc machining partsStrict quality controlGood after-sales serviceOptions for your specific requirementsMaterial: Iron, Stainless steel ,Aluminum, Copper ... drawing or sampleItem NO. Item NO. Mechanical mental parts processingMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy, HSS, tool steels, or ...