[Dongfeng Group's subsidiary supplies power/ESS battery separator products to BYD, CATL, HiTHIUM, etc.] On May 12, Dongfeng Group stated on the investor interaction platform that, in line with its business philosophy of "accelerating transformation, focusing on investment, and optimizing layout," the company continues to increase capital investment and resource allocation in the fields of new materials and Class I pharmaceutical packaging. In the early stage, the company signed a cooperation agreement with Lanting New Energy Technology (Zhejiang) Co., Ltd., with both parties reaching a long-term business cooperation intention on the R&D and production of key materials for solid-state batteries, namely solid electrolytes and semi-solid composite separators. The company and its affiliated enterprises will supply semi-solid and solid-related separators and base films to Lanting New Energy. Currently, the company is actively engaged in the R&D of semi-solid separators and solid electrolyte membranes, and is promoting the sample submission of semi-solid composite separator products.