The antigen of Oriental Gene is a regular company. Because Oriental Gene Antigen Test is produced by Zhejiang Oriental Gene Biological Products Co., Ltd. The new coronavirus (2019-nCoV) antigen detection kit (colloidal gold method) developed and produced by Zhejiang Oriental Gene Biological Products Co., Ltd., registration certificate number: National Medical Device Registration Approval 20223400359, belongs to the third category of medical device products. So the antigen of Oriental Gene is a regular company.