俄罗斯国库告急！普京急盼中国拉一把，但是得先明白一个道理

Group 1 - The core viewpoint of the articles highlights the deepening energy cooperation between China and Russia amidst complex geopolitical dynamics and Russia's economic challenges [1][3][4] - In April 2025, Chinese and Russian energy officials met to discuss enhancing energy cooperation, emphasizing the strategic nature of their partnership [3][4] - Russia has increased its oil supply limit to China from 10 million tons to 12.5 million tons, reflecting its reliance on China to alleviate economic pressures [3][4] Group 2 - The "Power of Siberia 2" gas pipeline project faces challenges regarding its route, with considerations of passing through Mongolia or Kazakhstan, both presenting logistical and financial hurdles [4][6] - Mongolia's role in the energy cooperation is complicated by its geopolitical stance, which may affect the stability and cost of energy transit [6][8] - The long-term prospects of Sino-Russian energy cooperation are promising, but require careful navigation of mutual interests and geopolitical factors [8][9]