2. Banks: Multi-bank outlets will sell funds on commission, with professional services and simple procedures, but usually there is no preferential rate for selling funds on commission.
3. Securities companies: As securities accounts are needed, securities investors can choose to buy science and technology innovation board etf funds at the counter of securities companies.
4. Third-party platforms: Third-party platforms can enjoy preferential treatment when purchasing science and technology innovation board index funds, and it is also convenient to purchase and redeem them. But we must pay attention to the purchase risk and choose a formal platform.