... Qianhe Steel and Trade Co.ltd located in Cangzhou,Hebei provnince,China.The Qianhe Steel and Trade Co.,Ltd is one ... in China. And the Qianhe steel and Trade Co.,Ltd supply all kinds of straight welding pipes and ... pipes in all size.The Qianhe Steel and Trade Co.,Ltd is the a subsidiary company of the ... steel pipe manufactures HeBei XinZhongLian Special Steel Tube Co.,Ltd. At present, with an area of 119 ...