The main equipment of the production

In 2000, in order to meet the needs of natural gas project construction, the State Development Planning Commission listed the large diameter LSAW steel pipe localization as a major technology and equipment research thematic project.

 In the China plastic mould steel Suppliers same year of 2003, large diameter welded pipe production line of Shashi Steel Plant was also put into operation.In 2003, Great dragon Steel Pipe Co.In 1998, Panyu Zhujiang Steel Plant introduced used large-caliber LSAW steel pipe production line from Australia for the first time, which creates China's domestic production of large diameter LSAW steel pipe history. developed the 1 : 1 LSAW steel pipe production line, which is the first domestic entirely localization large VI straight seam submerged arc pipe production line.In the same year of 2007, Panyu Zhujiang Steel Pipe Company Zhangjiagang JCOE production line and Wuxi, Yulong Steel Pipe Company's JCOE large-diameter welded pipe production line put into operation.ltd UOE large diameter LSAW steel pipe project put into operation, which is the first set of modern 1 : 3 large diameter LSAW steel pipe mill, and is also the world's most advanced equipment, large diameter LSAW production line, filling the blank of our high-grade oil and gas pipelines and accelerating the development of large-diameter LSAW steel pipe production technology. 

The main equipment of the production line is the German SMS. MEER Longitudinal developed progressive shaping new technologies - progressive JCO forming., Ltd developed the 1 : 3 LSAW steel pipe production line..China's original six spiral welded steel pipe plant, namely Baoji Petroleum Steel Pipe Plant, North China Petroleum Steel Plant, Shashi Petroleum Steel Pipe Plant, Ziyang Petroleum Steel Pipe Plant, Shengli Petroleum Steel Plant and Liaoyang Petroleum Steel Pipe Plant, their leading products are all spiral welded steel pipe.In 2002, Tianshui Metal forming Machine Tool Co. In 2007, Baoshan Iron & Steel Co., Ltd