Why is Nathan so angry?

The cause of the epidemic, to participate in the Beijing Winter Olympics.

1. According to the public comment network, the cause of the epidemic: due to the outbreak of the epidemic, masks are in short supply all over the country. That medical treatment specially produced them to help the whole people fight the epidemic. It took only 10 days from the establishment of the production line to the launch of the finished product.

2. Participate in the Beijing Winter Olympics: As a mask supplier for the Beijing Winter Olympics, Na Tong attracted a lot of attention at the opening and closing ceremonies, which made it popular.