1, Mingde Bio and Dongfang Bio are two brands of antigens, of which the price of Mingde Bio-antigen is 48 yuan/branch, and that of Dongfang Bio-antigen is 55 yuan/branch, and the price of Mingde Bio-antigen is lower.
2. The detection rate of biological antigen in Mingde is 138pm/s, and that of oriental biological antigen is 12 1pm/s, and the detection rate in Mingde is fast.