The certificate should be authentic, and there are still a few testing institutions that use this red seal instead of steel seal.

The quality inspection certificate of Tik Tok base is reliable. To open a shop in Tik Tok, you should apply for a deposit at the base, and the live broadcast address should also be in the base.

Gem inspection and appraisal certificate only has red seal (seal), but no steel seal. You can check it yourself, and get an appraisal certificate for 50 yuan to see the real thing.

The certificate is real, agate, but the color is treated at high temperature the day after tomorrow.