The Notice of Shenzhen Stock Exchange and China Securities Depository and Clearing Co., Ltd. on Several Issues Concerning the Issuance and Listing of Warrants stipulates that the abbreviation of Warrants should be "X Y BbKs", where X Y is two Chinese abbreviations of the underlying securities, Bb is two pinyin letters of the issuer's name, and K is the category of Warrants, which refers to whether the warrants belong to subscription warrants or put warrants, where: C stands for subscription warrants, P stands for put warrants, and S stands for warrants issued by the same issuer with the same underlying securities.