Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for Large Diameter Corrugated Steel Pipe, Big Diameter Lsaw Steel Pipe , Black Square Pipe , Precision Steel Pipe ,Api 5l Steel Pipe . Accurate process devices, Advanced Injection Molding Equipment, Equipment assembly line, labs and software development are our distinguishing feature. The product will supply to all over the world, such as Europe, America, Australia,Estonia , Swiss ,Uganda , Manchester .After 13 years of researching and developing products, our brand can represent wide range of products with outstanding quality in world market. We have completed big contracts from many countries such as Germany, Israel, Ukraine, United Kingdom, Italy, Argentina, France, Brazil, and so on. You probably feel secure and satisfy when copperate with us.