Bohai Heavy Industry has been engaged in the four major pipelines of power plants for nearly 40 years, including pipes, pipe fittings and piping. It is a national high-tech enterprise. The company has a certain scale and has a certain reputation in the same industry at home and abroad. It is an entity enterprise under the jurisdiction of the company. There are three branch factories with a factory area of more than 2,000 mu (1.33 square kilometers). PetroChina has built a natural gas pipeline for Bohai Heavy Industry. State Grid has built a 110,000-volt substation for Bohai Heavy Industry. Grade physical and chemical testing center, these strong infrastructure are not available in any peer manufacturers