An advertisement for e-commerce retailer JD.com Inc in Shanghai. [Photo/China Daily]

SHANGHAI - China's e-commerce giant JD.com has begun using photovoltaic (PV) generators in its smart logistics center in Shanghai.

JD.com are installing PV systems for its logistic centers around the country. PV will provide clean energy for the warehouse's robots and automated sorting system.

By the end of 2018, JD.com will have installed PV cells on millions of square meters warehouse roof, according to Chu Xuhui of the company.

The 40,000-square-meter business-to-customer (B2C) unmanned logistics center in Shanghai, "Asia No 1," can handle 200,000 online orders per day.