The 10th China-Russia Expo has opened in Harbin, with congratulatory letters from President Xi Jinping and Russian President Vladimir Putin. Xi noted the 30th anniversary of the China-Russia strategic partnership. He also noted the 25th anniversary of the China-Russia Treaty of Good-Neighborliness and Friendly Cooperation. Xi hopes the expo will deepen cooperation and enhance the well-being of both peoples. Putin highlighted the expo as a major platform for dialogue. Bilateral trade reached $227.9 billion last year. In the first four months of this year, trade increased by 19.7 percent. Aleksandr Sergeevich Kalashnikov anticipates growth in trade and cultural exchanges. Putin will pay a state visit to China. Observers hope the visit will enhance coordination and boost global prosperity.