Signed an equity subscription agreement with Beijing Zhongguancun Frontier Technology Industry Development Co., Ltd., jointly initiated and established by Zhongguancun Development Group and Fangshan District Government; Signed a strategic cooperation agreement with Fangshan Park in Zhongguancun Science and Technology Park, Beijing, aiming to jointly build a hydrogen energy research and demonstration center, promote the transformation and implementation of industrial achievements, and jointly build an "ecosystem" for the hydrogen energy industry