Jiangsu Tiancheng Group Limited is a manufacturer of steel tubes in China,can supply cold-drawn seamless steel tube,cold-rolled seamless steel tube,and special-section seamless steel tube. The steel tube are widely applied in the industries of petrochemical, boiler, automobile, mechanical, construction. Tiancheng's factories through ISO9001 certificate, has aggressive leadships and outstanding professionals. Tiancheng can supply steel tube's Size:OD(Φ3 - Φ180) * WT(0.5 - 17) mm. And can produce other specification according to the customers’requirements.