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Spiral steel pipe is a spiral seam steel pipe made of strip coil plate, extruded by constant temperature and welded by automatic double-wire submerged arc welding. The spiral steel pipe will send the strip into the welding pipe unit, roll through the multi-channel roll, the strip gradually rolled up to form a circular tube blank with an open gap, adjust the pressure of the extrusion roll, so that the weld gap is controlled in 1~3mm, and the two ends of the welding joint are flush.
Zhongxi (Shandong) Metal Technology Co.,Ltd founded in 2021 and headquartered in Jinan Shandong, is a group company specializing in metal materials industry. We have 8 production lines with a daily output of more than 2,000 tons and annual sales of 4 billion, which ensures that we always have sufficient raw materials and reduce production costs.
Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.
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