How many polypeptide listed companies are there in Hangzhou?
10. There are 10 polypeptide listed companies in Hang Cheng, namely ST Kangmei, Kangrui Medicine, Jiashitang, First Medicine, Zhejiang Agricultural Co., Ltd., Dashenlin, Darentang, Jiuzhoutong, Sinopharm Consistent and Sinopharm Co., Ltd. Polypeptide is a compound composed of amino acids and connected by peptide bonds, usually referring to a compound composed of three or more amino acids, which has the functions of promoting metabolism and regulating physiological functions.