 BEIJING, March 31, 2021 PRNewswire -- Fuwei Films Holdings Co., Ltd. Nasdaq: FFHL Fuwei Films or the Company, a manufacturer and distributor of high-quality BOPET plastic films in China, today announced that the Company has entered into a Securities Purchase Agreement the Purchase Agreement with Enesoon New Energy Limited Enesoon, a British Virgin Islands company directly and indirectly holding subsidiaries in China primarily engaged in green thermal energy storage businesses, and Enesoons shareholders. 