Zhongtai Group is established in 2000, locates in Shijiazhuang. We are anIS09001 certified pipe making machine and cold rolled section steel formingmachine manufacturer, reputed enterprise in Chinas pipe making industry withthe largest production capacity, the most advanced technology and strongestcompetitiveness, one of the executive directors of China Cold-formed SteelStructure Association and one of Chinas top ten pipe making machinery brand
ERW steel pipe production line: At first, the coil is loaded at the uncoiler, then but-welding the ends of coil, delivering to accumulator. After accumulator, the strip is pulled from accumulator contentiously by fixed speed, is formed to opened-pipe at forming machine, then welded by High frequency welder, deburred, cooled, shaped and sized as round pipe and rectangular&square pipe at the sizing area. Then the sized pipe is straightened after Turkey-head device and then cutt to fixed length by flying saw.