Company Brief : Qingdao Haokun Machinery Manufacture Co., Ltd. is a professional pipe welded mill designer and manufacturer in China. Our main products are: spiral welded pipe mills, ERW pipe mills, slitting lines, pipe ends beveling machines, pipe edge milling machines, and hydrostatic testing machine. These products are heavy-duty equipment that can be used to produce large caliber welded steel pipes ...
Spiral shaped, double - submerged arc welded pipe production lines (spiral welded pipe mills) are the most important products of the company. After many years of exploration and constant improvement, our pipe welded techniques, equipment and technologies already take the leading position in the country. Our company has been the most reliable and royal partners and friends of pipe line manufacturing firms. Very recently, we signed a contract of double - submerged arc spiral welded pipe mill with domestically leading high iron grade up to X80 Φ406mm - Φ1422mm, with Yangzhou Tongya Pipe Co., Ltd.
D1620mm spiral welded pipe mill
D1620mm spiral Welded Pipe Mill- Welded Tractor
D1620mm spiral welded pipe mill- Delivery Machine
D1620mm spiral welded pipe mill
D1020mm spiral welded pipe mill
D1020mm spiral welded pipe mill- Forming Machine
D14420mm spiral welded pipe mill
D2540mm spiral welded pipe millThe spiral welded pipe mills designed and manufactured by our company have formed a very diversified and serialized product range. From a forming process's perspective, the products can be divided into: External Control Forming and Internal Control Forming. From a mill production process's perspective, they can be divided into: Looping Pit Stored Welded Material, or Backward Swing Machine Unit and Forward Swing Short Machine Unit inWelded Tractor style with continuous production capability. Diameter range of final pipe line products could cover anything between Φ219mm and Φ2800mm. Our products meet API - 5L, GB9711.1, GB9711.2 Standards.
Our company also assists pipe line manufacturing firms in layout, planning and design of products and manufacturing processes, and we also supply complete sets of equipment for spiral welded pipes production.



