Exhibit 2.1
SHARE CERTIFICATE
| Number of certificate | Number of shares | |
ZHENGYE BIOTECHNOLOGY HOLDING LIMITED
Incorporated in the Cayman Islands under the Companies Act (as Revised)
Authorized Share Capital is US$50,000 divided into:
| i) | 1,900,000,000 Class A Ordinary Shares of a par value of US$0.000025 each; and |
| ii) | 100,000,000 Class B Ordinary Shares of a par value of US$0.000025 each. |
This is to certify that [Name] of [Address] is the registered holder of [Number] [Share Class] shares of [Value] each being [partly paid to the extent of [amount in words] [amount in numerals] per share]]/[fully paid][and numbered [number]] in the above-named company, subject to the memorandum and articles of association of the company.
[Transfer date]
| Director | Director/Secretary |