China Topper Steel Pipe Plant , adopting an innovative means to the supply of the industrial ferrous and non ferrous products with a comprehensive range of Cold Rolled Finished Seamless Tubes& Pipes in Stainless Steel, Carbon Steel and Alloy Steel. And we have advanced process equipment, complete testing methods and testing equipment such as X-ray detection, ultrasonic flaw detection, hydrostatic testing machine, tensile testing machine, metallurgical analysis apparatus, physical chemistry laboratory and complete testing system to ensure that the standard and the needs of customers is guaranteed.