Enjie was listed on China's A-share market in September 2016, stock abbreviation: Enjie, stock code: 002812, covering two business systems: "new energy" and "packaging".Enjie was established in April 2010, with a registered capital of RMB 38,921,0834,000 yuan. With a registered capital of RMB 389,210,834,000, Shanghai Enjie began to enter the lithium-ion battery septum industry. With the further expansion of lithium-ion battery applications, Shanghai Enjie has become a national high-tech enterprise integrating the research and development, production and manufacturing of high-performance lithium-ion battery separator film, and a leading enterprise in the lithium-ion battery separator film industry. 22% of the global market share in 2020, ranking first in the world.

As one of the world's largest manufacturers of lithium battery separator film, Shanghai Enjie is one of the world's largest manufacturers of lithium battery separator film. Customers include Tesla, Samsung, LG, Panasonic, Ningde Times, BYD and other leading lithium battery companies.

Lithium battery factory exhaust mainly comes from lithium battery coating process, namely lithium battery positive and negative electrode coating and diaphragm coating lithium battery positive and negative electrode coating is in the lithium battery positive and negative electrode coated with a layer of organic solvents (N-methyl pyrrolidone, ethanol) generated by the organic exhaust, lithium battery diaphragm coating is the surface of lithium battery diaphragm printing and packaging coated with a layer of organic solvents (acetone, ethanol). For these harmful exhaust gases must be purified using exhaust gas treatment equipment before they can be safely discharged.