Zhangjiagang Huagang Industrial Co., Ltd is a ISO9001 and ISO/TS16949 qualified steel tube manufacturer.The tube billets for the steel tubes manufactured by our company is the high quality tube billets supplied by Xingcheng Special Steel Mill and BaoSteel Corp. In the process of the production , the operation is conducted rigidly as ISO 9001:2000 Quality System with domestically advanced production management and quality control. For the manufacturing technique in terms of heat treatment technology is adopted.

The capacity of steel tube:After years of efforts, in the field of seamless steel tube business Dehai has made an invest in capital assets up to 200 million RMB in total. At present, the annual capacity of precision steel tubes, seamless carbon steel pipes and alloy steel pipes is 7,000 tons.

The steel tube size range: Φ4-Φvalue="130" unitname="mm">130mm x 0.5value="30" unitname="mm">-30mm,and the main standards include ASTM/ASME, DIN, EN, JIS, BS, GB and API. All the pipes are widely used in the fields of auto industry, electric power, boilers, petroleum, chemical, ship building, geology exploration, mechanic and etc. If you are interested in my products. please send email to steeltubes at hotmail dot com.