Cangshi petroleum fuel gas pipeline co.,ltd

Hebei Cangshi Petroleum gas pipeline Co., Ltd is one of leading manufecuter,stock holder and distributor of high quality steel pipe ,pipe fittings,valves from china. Steel pipe: supply 1/2" to 6" cold drawn seamless steel pipe, and 8"- 24" hot rolled seamless steel pipe, Wall thickness is schedule 20 to 160, In different standard, Seamless steel pipe for structure use, seamless steel pipe for liquid service, low and medium boiler seamless pipe, high pressure boiler seamless steel pipe, alloy s