1.jig and fixture design for sand casting products; 2.ISO9001 certified; 3.CMM to guarantee the quality ... jig and fixture design for sand casting productsMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy, HSS, tool steels ... cooperate with you.Specifications of machining parts:1, Material :Brass , bronze , copper , aluminium , alloy , stainless steel and so on; ...