Ding Xuexiang noted that work was underway on major projects as the two countries kept expanding areas of cooperation BEIJING, April 18. /TASS/. Chinese-Russian energy cooperation is a positive factor in terms of ensuring global energy security, Chinese Vice Premier Ding Xuexiang said at a meeting with Russian Energy Minister Sergey Tsivilyov. "Energy cooperation between China and Russia provides an important basis for the two countries' practical interaction, and it is also a positive force