radiator panel production line High automatic production High cutting welding precision elegant, durable, ... panel rolling & welding line, full automatic, automatic feeding, rolling, punching, overturning for joining, multi spot welding, side seaming welding, terminal seam welding ... 500~4000mm.Rolling speed: 2~6m/min (if full automatic, line speed 1.5m/min)PLC control, full automaticPlease contact with ...