Hebei Aocheng Petroleum Steel Pipe Mnufacturing Co., located in China Pipeline Equipment Manufacturing Base - Enzan, and is one of the largest enterprises in North China specializing in producing and ...

Co-working Developing Co., Ltd is the Co-working Group's subsidiary, specialize on manufacture steel pipeline in China.The Tianjin office opened in 2007 as a representative office is today a ...

SIJIAZHUANG HUIZE PIPE FITTING CO. LTD IS A PROFESSIONAL MANUFACTURER IN STEEL PIPE (SEAMLESS & WELDED), PIPE FITTING AND FLANGES....

steel pipe , pipe fittings , flanges...

Steel pipe, Steel pipe fittings, Flanges,...