The Φ219-Φ711*22MM straight submerged arc welded pipe mill designed and manufactured by our company for Liaoning Hongxiang Steel Pipe Co., Ltd. was successfully tested in December 2012. This unit is a patented product of our company. It uses steel coils as raw materials to produce small and medium diameter straight seam submerged arc welded pipes. The unit is equipped with complete finishing equipment and testing equipment for the production of high-end oil and gas pipelines. The steel pipe produced by this unit has a very high cost performance, and the market potential is very good.