普京乘机抵达天津

Group 1 - The core viewpoint of the article highlights the strengthening of Sino-Russian relations, particularly within the framework of the Shanghai Cooperation Organization (SCO), as President Putin visits China for the second time since May of the previous year [2] - The article emphasizes that Russia is one of the six founding members of the SCO, and the close ties between China and Russia are described as being at their historical best, characterized as the most stable and mature major power relationship in today's turbulent world [2] - Following his visit to Tianjin, President Putin will attend the 80th anniversary commemorative event of the victory in the Chinese People's Anti-Japanese War and the World Anti-Fascist War in Beijing, further underscoring the significance of this visit [2] Group 2 - A large and significant delegation accompanies President Putin, including three deputy prime ministers, over ten ministers, and representatives from major enterprises, indicating the high level of Sino-Russian comprehensive strategic cooperation [2]