Tangshan Great full,located in Tangshan city which is town of China Industry. We are specialized in business of industrial activities as we are one of branch of Tangshan Industrial Import and Export Group which has a history with 30 years mainly export valves and refractory materials. For valves,we have butterfly valve,gate valve,ball valve,globe valve and other valves for industrial use.We supply valves with materials of cast iron,ductile iron,cast steel,stainless steel in international ...