Cai Weimin entered into the share transfer agreement to acquire additional 7.957082% stake in Jade Bird Fire Co., Ltd. (SZSE:002960) from Beijing Beida Jade Bird Universal Sci-Tech Company Limited (SEHK:8095) for CNY 1.1 billion on November 21, 2022. As per the transaction, Cai Weimin will acquire 44.9 million shares at CNY 24.54 per share. Post acquisition, Cai Weimin will have 17.81% stake and Beijing Beida Jade Bird Universal will have 23.92% stake in Jade Bird Fire Co., Ltd.

Cai Weimin completed the acquisition of additional 7.957082% stake in Jade Bird Fire Co., Ltd. (SZSE:002960) from Beijing Beida Jade Bird Universal Sci-Tech Company Limited (SEHK:8095) on May 5, 2023. Jade Bird received the "Securities Transfer Registration Confirmation Letter" issued by China Securities Depository and Clearing Co., Ltd stating that the transfer of shares under this agreement has been completed. Transfer registration procedures, the transfer date is May 5, 2023