- Shanghai Naigal Technology Development Co., LTD
- Main products: Membrane water-cooled wall production line, Membrane water-cooled wall, Membrane wall welding production line, Boiler water-cooled wall welding production line, Submerged arc welding membrane wall production line, Snake tube production line, Welding production line for boiler accessories, Serpentine pipe bending machine, Membrane wall welding production line, Boiler water wall welding production line, Boiler snake tube automatic production line
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