Spiral welded pipe line, Spiral welded pipe mill, SSAW pipe line manufacturer / supplier in China, offering Spiral welded pipe mill, ERW Machine ERW Pipe Longitudinal Welded Pipe Equipment, Hydraulic Press Hydrostatic Testing Machine and so on.
Spiral shaped,doublesubmerged arc welding pipe production lines (Spiral Weld Pipe Mills Φ219mm-Φ3500mm )are the most important products of the HAOKUN company. After many years of exploration and constant improvement,our pipe welding techniques,equipment and technologies have been the leading position of the dometic industry. Our company has been the most reliable and loyal partners and friends of pipe the manufacturing firms. Very recently,we signed a contract of double-submerged arc spiral welding pipe mill with domestically leading high iron grade up to X80,Φ406mm-Φ1422mm ,with Yangzhou Tongya Pipe Co.,Ltd.