Hebei Zhongyuan Steel Pipe Manufacturing Co.,Ltd is the professional manufacturingr of steel pipe. The company was set up in 1993, covering 545 thousand square meters. The company owns total assets up to670million RMB and 1,200 workers. There are 8 sets of SSAW pipe production line, 4 sets of hot-rolling steel pipe (stretch reduction when heat temperature to 950&＃8451; wholly ) production line and 18 sets of hot-expanded production line . Spiral submerged-arc welded steel pipe: which the diameter is&＃934;219mm-&＃934;2420mm&＃65292;wall thickness is 6mm-20mm .And hot-rolling steel pipe (stretch reduction when heat temperature to 950&＃8451; wholly ) which diameter is &＃934;88.9mm-&＃934;630mm,wall thickness is 3.5mm-12mm are our primary products.