Shanghai Fudan-Zhangjiang Bio-Pharmaceutical Co., Ltd. (hereinafter referred to as "Fudan-Zhangjiang") and Shanghai WD Pharmaceutical Co., Ltd. (hereinafter referred to as "WD Pharma") signed the "Capital Funding Increase Agreement" and "the Share Transfer Agreement" on March 25, 2021. Upon completion of this transaction, the Company will hold 39.57% of the equity of WD Pharm.