We are a combination of development, production and sales. Professionally manufacture Q355 seamless black steel pipe in New energy industry ss fitting . We are a strong company with core technology and economic strength, adequate human resources reserve, and perfect management standards. We live by the corporate philosophy of being people-oriented. We believe quality builds brand and expands markets. It also builds a strong marketing network. Products from more than 2000 specifications are exported to the Middle East and North America. These products have been praised by customers both at home and abroad.