Securities account. According to the information of China Securities Network, Deng Zhong account number refers to the account opened in China Securities Depository and Clearing Co., Ltd., also known as securities account. Deng Zhong Company is mainly responsible for the registration, settlement and trading of the national securities and futures market. It is one of the subsidiaries of the exchange. After opening a Deng Zhong account, investors can trade securities products such as stocks, funds and bonds in the securities market.