Shanghai crude oil futures close lower

SHANGHAI, Dec. 21 (Xinhua) -- -- Crude oil futures closed lower Monday in daytime trading on the Shanghai International Energy Exchange. The most active crude oil contract for February 2021 delivery ... ( read original story ...)

5G technology powers urban safety in Shanghai

As the sky began to clear up, a drone connected to the city's pilot 5G network circled around the Jingtai Building in Hongkou District of Shanghai for a quick screening. With its built-in infrared ... ( read original story ...)