What's the relationship between Baiyiweishi and Wanju Medical?
Baiyi Weishi and Wanju Medical are a brand relationship. Baiyiweishi N95 medical protective mask, with the trademark of Wanju Medical on the back, seems to be a pack of dual-use. The production date and batch number are on this seal. At present, the production date and batch number of printing have not been found elsewhere in the packaging. Filter material grade -N95.