China Topper Steel Pipe Plant Co., Ltd is one of largest steel pipes mill in China, with extensive range of carbon steel seamless pipe, ERW pipe, SSAW pipe, alloy steel pipe, and stainless steel pipe, etc.Topper company gives top priority to the quality of products. It has 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, so as to ensure that the production and inspection of the products meet the standard and the needs of customers.Thanks new and old customers with the best quality, the lowest price and the most perfect after-sales service. We sincerely hope to establish a long-term cooperative relationship with you for mutual benefits and common development.