A: The compilation of securities codes and abbreviations of listed open-end funds follows the Rules for Compilation of Codes and Abbreviations of Open-end Funds of Shenzhen Stock Exchange. The fund codes are all composed of six Arabic numerals, the first two digits are marked with "16" or "15", the middle two digits are the code gg of the fund management company uniformly stipulated by the Information Center of China Securities Regulatory Commission, and the last two digits are the serial number xx of the open-end fund of the fund management company. Specifically expressed as "16ggxx". Fund abbreviation consists of four Chinese character strings or strings with a length of no more than four Chinese characters. The first two digits of the string must be Chinese characters, representing the name of the fund management company. The same fund code and abbreviation are used in both Shenzhen Stock Exchange and fund managers and their consignment agencies.