Bearings, v-belts, rubber insertion, chains, sprockets, pulleys valves, water meters, pvc pipe fittings. The main valves are: gate valve, ball valve, butterfly valve, globe valve (material: cast steel, stainless steel, ductile iron material) The water meter is mainly: screw wing threaded water meter (material: cast iron, ductile iron, copper) Ductile iron pipe fittings