Hebei holy day pipe group co., LTD., is located in the bohai sea economic development zone, taking mengcun hui autonomous county, located in "China pipe fittings of the township", covers an area of 32000 square meters, consists of four branches, cangzhou is in the west, the east oil drilling, traffic, communication is very convenient. My company has four bend line, two tee, reducer production lines, cold forming, hot extrusion, machining, forging, forging, heat treatment and other advanced technology, according to ISO, ANSI, JIS, DIN, GB and other standards, annual output of carbo