Is it illegal to introduce others to buy antigens in large quantities?

It is illegal to introduce others to buy antigens in large quantities. Because there is no relevant business qualification, antigen reagents belong to the third category of medical devices. According to the provisions of Article 42 of the Regulations on the Administration of Medical Devices, the operating enterprise shall apply to the pharmaceutical supervisory and administrative department of the local municipal people's government for a business license and submit relevant materials.