Chinese President Xi Jinping has said that the country is willing to cooperate with other countries on improving international standards. China will proactively implement the strategy on standardization, making standards drive innovative, coordinated, green, open and shared development, Xi said in a congratulatory letter to the 39th General Assembly of the International Organization for Standardization. The opening ceremony of the meeting was held in Beijing today. China is willing to deepen cooperation with other countries and enhance exchanges to improve the international standards system, he noted.