Hebei JINMAI e mahiki ana HI., LTD., I kapaia o LUQUAN ZHANDAO QIAOXI MALLEABLE hao Pipe pono HI., LTD., I kukulu mua i ka 1988, a ua hoʻokumu i ka 1998with ka waiwai kūʻai o ¥ 360 million.Our hola na kookoo o ka oi o 1000 kanaka , a ua noho ma Zhandao Malleable Iron? aie?, Shijiazhuang City, Luquan District .Covering ka wahi o ka 40 tausani huinahalike meters.Our kulana o Predominant, a he pono kalepa.