MAIN PRODUCTS - A. AUTO PIPE WELDING MACHINE 1. Pipe end facing machine 2. Auto pipe welding machine 3. Welding positioner 4. Turning roller 5. Pipe fabrication auto cutting measuring system B. AUTO WELDING EQUIPMENT MACHINERY 1. Auto welding gantry (28-poles, 20,14,12,10,6-poles ) for stiffiner, I-Rib, U-Rib of block steel box girder produc

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