If it is the first time to buy, the certificate provided by the merchant has a website address, which can be scanned and verified by WeChat. The cost of business style includes design+processing fee+raw materials+labor, etc. Jade has a price but no market. It can be sold at a high price or at a low price, depending on whether you bought it at a high market level or at the bottom of the market. The popularity of the market is also a factor, which will also add fuel to the flames. Coupled with the live broadcast, the price will increase.