We, Great Steel Pipe, as a largefactory located in Hunan, are specialized steel products manufacturing, stocking.As one of the oldest pipe factory Hunan area, number our production each has been topping list among China Central South Area. The range ...

Seamless steel tubes/pipes with OD 114-219mm and wall thickness in 6.0-45mm.Zhejiang Ming He Steel Tubes Co., Ltd is one of the largest seamless tubes manufacturing enterprise Zhejiang province American Petroleum Institute API Certification; specialize ...