Shen Zhezhong signed an equity transfer agreement to acquire 60% stake in Shanghai Milene Biotechnology Co., Ltd. for CNY 1 on March 24, 2020. In a related transaction, Shanghai Milene Biotechnology signed a repayment agreement with Jiangsu Nanfang Medical Co., Ltd. to repay the principal and interest of the loan totaling CNY 4.9815 million. Shen Zhezhong cancelled the acquisition of 60% stake in Shanghai Milene Biotechnology Co., Ltd. on March 28, 2021.