On September 22, Yiwei Lithium Energy announced that the company intends to set up a joint venture company with Shanghai Enjie in Jingmen High-tech Zone, and the joint venture company will invest in the construction of a high-performance lithium-ion battery separator project to sign a "contract". The total investment of the project is about 5.2 billion yuan, and 16 lithium-ion battery separator production lines will be built.(Lithium - Ion Battery Equipment) Yiwei Lithium's generous investment in t