Tianjin Bohai Chemical Industry Group Co., Ltd (Bohai Chemical Group) is a state-owned enterprise group in Tianjin, with a long history of "a thousand years of salt industry, a hundred years of chemical industry". In the third year of Tongguang of the Later Tang Dynasty (925 AD), China's first salt field named "field" Lutai field, that is, the predecessor of Bohua Group's subsidiary, Tianjin Changlu Hangu Salt Field Limited Liability Company; in modern China, Fan Xudong, Hou Debang, Li Candle Dust and other old industrialists and scientists to open the precedent of China's chemical industry, founded Jiu Da Fine Salt Field on the salt flats in Tanggu in 1914, which is one of the most famous salt fields in China. Bohua Group has a long history of "a thousand years of salt industry, a hundred years of chemical industry". The company was founded on the salt flats of Jiu Da Fine Salt, Yong Li Alkali in 1917, and Yellow Sea Chemical Industry Research Institute in 1922, which laid down the history of China's chemical industry development. Bohai Chemical Group is known as the cradle of China's alkali industry and the birthplace of modern chemical industry.