This study is a single-center, open-label, randomized, single-dose bioequivalence trial conducted in healthy adult participants.
1. Voluntarily sign the Informed Consent Form (ICF), be willing to accept subcutaneous injection, fully understand the study content, procedures and potential adverse reactions, and be able to comply with the contraindications and restrictions specified in this protocol.
1. Have an allergic constitution, or a history of allergic diseases such as bronchial asthma and eczema (except for mild seasonal allergy); or have a history of severe food allergy (e.g., laryngeal edema, shock); or known allergy, hypersensitivity or intolerance to the investigational medicinal product (IMP) or similar products or their excipients; or have a clinically significant history of drug allergy or atopic allergic diseases.