Pan Chunyu, Sima Wenlong, Qian Yeyin, Zuo Changrong and Jiang Xingqi signed an agreement to acquire a 12% stake in Anhui Jiuwu Tianhong Environmental Protection Technology Co., Ltd from JiangSu JiuWu Hi-Tech Co., Ltd. (SZSE:300631) for CNY 21.6 million on December 22, 2021.