Beijing intends to expand energy cooperation with Russia along all stages of production, Chinese Ambassador to Russia Zhang Hanhui told the Russian state RIA news agency in an interview published on Tuesday. "China expects to expand cooperation along the entire production chain in the energy industry," RIA cited the envoy as saying, ahead of a meeting of Russian Prime Minister Mikhail Mishustin and China's top leaders. "In the face of fluctuations in the global energy market and in the face of external risks and challenges, Russia and China always adhere to the principles of mutual trust and mutual benefit, constantly…