Our Enterprises are specialized in manufacturing, stock and selling large O.D. carbon/alloy steel seamless pipes, our products are widely used on boilers manufacturing, power station construction, oil pipeline, vessel industry, building construction and machining industry, such as Dalian Port COSCO vessel maintenance, Hindustan Zinc New factory steam line project, West to East gas line project, and has been conferred to Technology Development Reward of the year in Liaoning Province. We are dedicated to become the most professional large O.D. seamless pipes supplier in China, fetching in the latest seamless pipe specification very year from ASTM, API, DIN and EN, improving the manufacturing and processing methods and different steel grades. Our factory located at the most developed heavy industry area of Chinaâ??Liaoning Province; and our store house located at the largest store house in North-East Chinaâ??Shenyang Steel Products distribution centre. Our services are not only based on the manufacturing but also providing stock and the fastest delivery services.