2. Securities company number (3 digits): the unique number of Minmetals Securities, which is the only code issued by China Securities Regulatory Commission to the securities company.
3. Product code (2 digits): the investment product code provided by the securities company, usually stocks, funds, bonds, etc.
4. Customer Type (1 person): the type of customer, usually 1 or 2, where 1 stands for individual customer and 2 stands for institutional customer.
5. Customer account number (5 digits): the unique account number of the customer in Minmetals Securities, which is used to distinguish the account numbers of different customers.