This project is China's largest straight seam welded pipe production line independently developed by Shijiazhuang Zhongtai Pipe Technology Development Co.,Ltd.. It adopts ZTF technology and double-sided submerged arc welding for the production of API pipes.
Rollers for API 720x22 longitudinal seam welded pipe production line adopts high-precision CNC lathe processing and the adjustment of roller position is controlled by motor .
Shipped to Russia in January 2018.
Machines arrive at the customer's factory for installation.