Customers shop at a supermarket in east China's Shanghai, Jan. 27, 2020. E-commerce platforms are making efforts along with local markets in Shanghai to ensure the supply of agricultural products and non-staple food during the Spring Festival holidays. (Xinhua/Fang Zhe)

Customers shop at a supermarket in east China's Shanghai, Jan. 27, 2020. E-commerce platforms are making efforts along with local markets in Shanghai to ensure the supply of agricultural products and non-staple food during the Spring Festival holidays. (Xinhua/Fang Zhe)

Customers shop at a local market in east China's Shanghai, Jan. 27, 2020. E-commerce platforms are making efforts along with local markets in Shanghai to ensure the supply of agricultural products and non-staple food during the Spring Festival holidays. (Xinhua/Fang Zhe)

An e-commerce platform staff member prepares goods to be delivered in east China's Shanghai, Jan. 27, 2020. E-commerce platforms are making efforts along with local markets in Shanghai to ensure the supply of agricultural products and non-staple food during the Spring Festival holidays. (Xinhua/Fang Zhe)

Customers shop at a local market in east China's Shanghai, Jan. 27, 2020. E-commerce platforms are making efforts along with local markets in Shanghai to ensure the supply of agricultural products and non-staple food during the Spring Festival holidays. (Xinhua/Fang Zhe)

E-commerce platform staff members prepare to deliver goods in east China's Shanghai, Jan. 27, 2020. E-commerce platforms are making efforts along with local markets in Shanghai to ensure the supply of agricultural products and non-staple food during the Spring Festival holidays. (Xinhua/Fang Zhe)

An e-commerce platform staff member delivers goods in east China's Shanghai, Jan. 27, 2020. E-commerce platforms are making efforts along with local markets in Shanghai to ensure the supply of agricultural products and non-staple food during the Spring Festival holidays. (Xinhua/Fang Zhe)