The format of Beijing's health permit is: Jing Wei Zheng Shi Zi [200 x]No. XXXXXX-XXXXXX, but the Beijing Municipal Health Bureau, which issues health permits, has no power to examine and approve drugs at all, and the word "Jing Yao" on its permit is purely fabricated, which shows that its health permit is false.
(For details, please refer to the column of "Publicity of Administrative License" on the left side of the website of Beijing Municipal Health Bureau)
For details of the approval number, please refer to the Catalogue of Health Food Approval Announcement in the data query column of the website of the Ministry of Health of the People's Republic of China:
Approval number: Wei Shi Jian Zi (200 1) No.0121
Product name: Xidakang brand mushroom mycelium nutrient solution
Approval function: immune regulation
Applicant: Beijing Institute of Nutrition Sources.
Beijing xidakang biology technology co., ltd
It's not the same brand as you said, so it can be regarded as theft.
You can query patents in the query column on the right side of China National Intellectual Property Administration website, and the query method is also very simple.