Looking ahead, remittance is theoretically allowed. But at this stage, your friend had better not remit money (you can return it in person).
If you remit money, you should check the name of the remitter at the department in charge of remittance. In other words, let your friend tell you who sent him the money. How do you think your friend knows who sent it? I don't know, so I won't give it to him. This is because if you want to give it to him, you have to go to the post office to get the money, which is very troublesome. The discipline there is lazy.
Super Watch only accepts remittances from 500 yuan at one time. So you can't get more. So is sending money. You can deposit it in 500 yuan at one time. There will be a toll of 10% to 20% on arrival.
Tianhe doesn't accept remittance. Generally speaking, prisons in Beijing can't send money. Tianhe will send a card and then tell the family members the number of this card. Family members look at the card to save money.