What are the production companies with formal approval documents for the new tributary law?

At present, there are 6 companies producing and selling new flow products on the market, 2, 2, and 3 types of products, all of which are domestically produced vaccines, and no imported vaccine products have yet appeared. The difference between the two types lies in the whole virus or the VP2 protein in the bursa of Fabricius.

The new tributary methods are all VP2 protein products. There are 7 companies currently producing 2 types of vaccine products. One is independently developed by Qingdao Yibang and is also the first new tributary method quadruple in China. product;

The other is independently developed by Pleco, and five companies including Qianyuanhao, Beijing Huaxia Xingyang, Sinopharm Animal Health (Zhongbo), Qilu Animal Health, and Shangqiu Meilan were transferred from Pleco Come.