On January 10, 2020, the CPC Central Committee and the State Council solemnly held the 2019 National Science and technology award conference in the Great Hall of the people. Xi Jinping, Li Keqiang, Wang Huning, Han Zheng and other party and state leaders attended the conference and awarded prizes to the winning delegates. Xi Jinping presented the prize to the highest prize winner.

On the morning of August 28, 2019, China Mechatronics (Indonesia) brand exhibition and Indonesia International Environmental Protection Exhibition were held in Jakarta International Convention Center.

Sweeteners refer to a food additives that give soft drinks a sweet taste.Sweeteners can be divided into nutritional sweeteners and non-nutritive sweeteners according to their nutritional value;