It is sterilizing type. Hezhikang masks are sterilized and disinfected. Hezhikang masks are sterilizing types. Hezhikang (Beijing) Biotechnology Co., Ltd. was established in 2020 and is located in Beijing. It is an enterprise mainly engaged in technology promotion and application services. The registered capital of the enterprise is 2 million yuan, and the paid-in capital is 2 million yuan.