1.jig and fixture design for sand casting products; 2.ISO9001 certified; 3.CMM to guarantee the ... 4.OEM service Item NO. jig and fixture design for sand casting productsMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, ... electronic products, industrial machinery and equipment and transportation. etc;3, Process:turning , milling ,drilling , CNC machining , polishing and so ...