Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for api button bit factory 200mm, DUCTILE IRON CHECK VALVE, steel tooth water well bit, hdd trenchless bit,TCI tricone bit. We warmly welcome clients, enterprise associations and mates from all over the globe to speak to us and find cooperation for mutual rewards. The product will supply to all over the world, such as Europe, America, Australia,Moscow, Austria,Mauritius, United States.In order to meet the increasing requirement of customers both home and aboard, we will keep carrying forward the enterprise spirit of Quality, Creativity, Efficiency and Credit and strive to good the current trend and lead fashion. We warmly welcome you to visit our company and make cooperation.