Shijiazhuang Great Wall Welded Pipe Equipment Co. Ltd

Shijiazhuang great wall welded pipe equipment co. ltd can design and produce over-thick wall, over-thin wall and non-standard unit, and ?20—?610mm high frequency welded pipe unit, including API high grade of steel petroleum casing pipe, petroleum and gas pipe welded pipe unit, large square and rectangular welded pipe unit and large cold bending section welded pipe unit. [Details]