You don't have to pay taxes on gambling stones, but if you want to sell jade, you have to pay taxes according to the transaction amount.
No matter what kind of stone, let alone jade, you have to pay taxes. In the early days, a large number of stones shipped to the mainland were detained by Hong Kong at the dock. As for how to pay taxes, it is calculated by changing the valuation of stones. The customs department will find a professional appraiser to evaluate it, and then change the tax rate of jewelry to collect taxes.
In the open market, the membership system is adopted. To become a member, you need to apply first. You can't go to the public market without being invited.
Then it usually takes a week to get the business license.