A compressed air energy storage (CAES) power station in Yingcheng City, central China's Hubei Province, was successfully connected to the grid at full capacity on Thursday, marking the official ...
QINGDAO, Jan. 11 (Xinhua) -- A carbon fiber metro train, dubbed CETROVO 1.0, began passenger service on Friday in the port city of Qingdao in east China's Shandong Province.