Two sales professionals introduce cosmetics at a shopping mall in Shijiazhuang, North China's Hebei province, on March 10, 2020. (Photos: Xinhua)

Two sales professionals demonstrate makeup techniques at a shopping mall in Shijiazhuang, North China's Hebei province, on March 10, 2020.

A saleswoman gives products sold online to a delivery man at a shopping mall in Shijiazhuang, North China's Hebei province, on March 10, 2020.

Online host Fu He sells pet fish via livestreaming in Anshan, Northeast China's Liaoning province, on March 10, 2020.

Online host Li Xinyang sells aquarium equipment to raise pet fish via livestreaming in Anshan, Northeast China's Liaoning province, on March 10, 2020.

Online host Li Xinyang sells food for pet fish via livestreaming in Anshan, Northeast China's Liaoning province, on March 10, 2020.

Online host Li Xinyang sells aquarium equipment to raise pet fish via livestreaming in Anshan, Northeast China's Liaoning province, on March 10, 2020.

Wang Dongxue promotes aquarium equipment to raise pet fish via livestreaming in Anshan, Northeast China's Liaoning province, on March 10, 2020.

A businessman sells pet fish via livestreaming in Anshan, Northeast China's Liaoning province, on March 10, 2020.

A businessman sells pet fish via livestreaming in Anshan, Northeast China's Liaoning province, on March 10, 2020.