"Based on domestic market and expand abroad business" is our enhancement strategy for Large Diameter Black Tube, Black Carbon Rectangular Steel Pipe , Hot-Rolled Seamless Steel Pipe , Api 5l Seamless Steel Pipe ,Api 5l Grade B Pipe . Our Company Core Principle: The prestige first ;The quality guarantee ;The customer are supreme. The product will supply to all over the world, such as Europe, America, Australia,Serbia , Vietnam ,Sevilla , Switzerland .We are your reliable partner in the international markets of our products. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market. We are willing to cooperate with business friends from at home and abroad, to create a great future. Welcome to Visit our factory. Looking forward to have win-win cooperation with you.