First, gold shops or banks, physical gold, buy back, sell at a high price (without leverage)

Second, bank paper gold only earns the difference (no leverage).

Third, Shanghai Gold Exchange, gold T+D, electronic disk, long and short (with leverage)

Four, Shanghai Futures Exchange, Shanghai Gold, electronic disk, long and short (with leverage)

Let's take a look at this xinsheng gold industry you mentioned. Does it belong to the first or the third? Four?

Send me the specific materials, welcome to ask.