Zhangjiagang Huagang Industrial Co.,Ltd .Is one of the company under JiangSu DeHai Steeltubes Group specializes in the production of cold-drawn/cold-rolled precision seamless steel tubes, such as auxiliary steel tubes, bright oil tubes, whth the annual output over 7000tons.

The company actively introduces advanced production equipment and processs technique and has been equipped with complete testing facilities, It passed ISO9001:2000 and ISO/TS16949 Quality System Verification, ...