At present, the development of China's financial market is in the primary stage, and international foreign exchange is illegal in China for the time being.

Gold is divided into outer disk and inner disk. The inner plate is in compliance with the Shanghai Gold Exchange, and only exchange members can handle gold business. External disk is illegal in China for the time being.

Guosen Securities cannot handle foreign exchange and gold business, and is bound by the laws of China.

Crude oil futures need to be handled by futures companies, but securities companies can't, because financial companies in China operate separately, and securities companies can't handle futures business, so they need to set up independent futures companies to carry out business.

If you don't understand anything, you can ask.