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