The difference between on-site and off-site mainly lies in whether a securities account number is needed.

Such as buying stocks, ETFs, etc. , all need securities accounts, this is the venue.

You don't need a securities account number to buy Yu 'ebao and Licaitong. This is OTC.

Ping An Securities is one of the mainstream brokers in China. If you open an account with Ping An Securities, you can trade on the floor.