SHIJIAZHUANG, May 22 (Xinhua) -- China's benchmark power coal price remained flat during the past week.
The Bohai-Rim Steam-Coal Price Index (BSPI), a gauge of coal prices in northern China's major ports, stood at 579 yuan (about 84 U.S. dollars) per tonne Wednesday, according to Qinhuangdao Ocean Shipping Coal Trading Market Co. Ltd.