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Complete ERW Steel Tube Making Line. Adjustable HF welder power for different wall thickness & speed. Smooth tube ends without burrs, ready for secondary processing. Welder power automatically matched with strip speed to avoid waste. High-rigidity drive shaft for stable torque transmission. PLC + touch screen centralized control, Chinese/English interface optional. Production data storage & export (output, speed, downtime). Capable of round, square, rectangular, and special-shaped tubes. 7/24 online technical support via WeChat/WhatsApp/Email. Engineers available for on-site service abroad. Complete documentation: drawings, manual, electrical diagrams, wear parts list.