The masks were shipped abroad by 12 businesses.
In the first eight months of the year, domestic enterprises have exported over 305.6 million medical masks of all kinds, with January seeing a record high of 64.7 million masks.
The number of enterprises engaging in medical equipment export have also significantly dropped, from over 100 to only 12 at present, due to increasing orders for traditional products.
In addition, some countries are gradually getting the coronavirus disease under control thanks to the speeding up of inoculation drives.