[HIGHLIGHTS] The series of commemorative covers of "Important Scientific and Technological Inventions and Creations in Ancient China" was first released in Beijing

The launch ceremony of the series of commemorative covers of "Important Scientific and Technological Inventions and Creations in Ancient China" was held in Beijing on May 31. The first series of 9 pieces released on the same day was supervised and produced by the Science Communication Bureau of the Chinese Academy of Sciences.

The series is a sub-series of the China Post Science Communication Series "Commemorative Cover for the Development of Science and Technology in China" The commemorative cover is equipped with a beautiful envelope, which intuitively expresses scientific and technological achievements.