
Automatic Steel ERW Pipe Mill Line Machine Square Tube Roll Forming. Customized Production: Supports full customization including samples, designs, and flexible adjustments. 1 Year Warranty: Includes 1 year free warranty and full life service for all machines. High Efficiency: Line speed up to 120m/min with high frequency solid welding technology. Multi-Shape Output: Capable of producing round, square, rectangle, and structure pipes. Proven Technology: Uses self-manufactured machines with experienced technology for quality assurance. Global Export: Exported to over 70 countries including Asia, Europe, and North America. ISO Certified: Company certified with ISO9001:2015 and products with CE certification. 100% Inspection: Strict 100% visual and function inspection for all finished products.