2. Assist in handling relevant account opening procedures;
3. It is convenient for investors to place orders for transactions;
4. Assist the futures company to send the notice of additional margin and the statement to investors;
5. Other businesses specified by China Securities Regulatory Commission. As an importer of stock index futures, securities companies are not allowed to handle futures margin business, and do not undertake the duties of agency, settlement and risk control of futures trading. That is to say, as stock index futures IB, securities companies introduce their clients to futures companies, become customers of futures companies, and charge them introduction commissions, but they can't contact customers' funds and don't settle investors' stock index futures transactions.