Handan Zhengda Steel Pipe Group 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, one of the top 500 private enterprises in China,the national high and new tech enterprise,observe contracts.Dealing with ERW steel pipe,galvanized steel pipe,SSAW steel pipe,square steel pipe,steel-plastic composite pipe,angle iron,zhengda has become a modern comprehensive enterprise of technology research and trade.

Zhengda Pipe has been approved by ISO9001-2008,ISO14001:2004,BS-OHSAS 18001:2007.API 5L and CE Certificate."Tianhong" brand has been recognized as "Business Card of Hebei Province". "The famous trademark of Hebei province","The famous trademark of China","The famous trademark in the steel pipe industry"."Tianhong","Jili" steel pipe is generally used in oil pipe line,oil and gas delivery,water supply and drainage,fire control,CNG,heating supply,steam delivery and other Low pressure fluid delivery,also the frame,threading,steel structure,cold bending profiles and so on.