Hello, you can use your own funds to purchase 15900 1, 159003, 51990, 5 1 1880, but you can't finance the purchase. In addition, for the above-mentioned cargo base, the margin conversion ratio of each broker is only 80%-90%, so pay attention to maintaining the guarantee ratio. In addition, we should also pay attention to whether our account opening brokers support petty cash transactions of the above funds.