Rounded spiral steel pipe & tubes which are produced by SAW (Submerged Arc Welding) method
❶ Wide-range diameter of steel pipe can be produced from a same size coil by adjusting forming angle
❷ Many different size can be produced from a short to a long length
❸ Checking and feedback the quality of weld can be executed in an early stage of production by online auto ultrasonic testing machine.
Annual Capacity: 60,000 Tons/Year