Handan Zhengda Steel Pipe Co.,Ltd.("ZHENG DA PIPE" in Chinese for short,and "ZDP" in English for short) is one of the ten supported enterprise by Handan city goverbment, one of the top 100 enterprises in Hebei province,Leading Enterprise of Hebei Industrial Cluster,one of the top 500 manufacturers in China We have Handan zhengda , Qian'an zhengda , Shanxi zhengda ,Yunnan zhengda produce Places