BEIJING, May 30 -- China commemorated its National Sci-tech Workers' Day on Friday as artifacts related with outstanding scientists were displayed in a museum dedicated to their achievements.

The China Scientists Museum in Beijing showcased 10 significant items, including a group photo of scientists involved in the development of atomic bomb, ballistic missile and satellite and a prestigious medal awarded to engineering expert Qian Qihu.

The event featured narratives from the scientists themselves, their family members, and students.

Wan Gang, president of the China Association for Science and Technology, addressed the event, calling on scientific and technological workers to contribute to national development.

He urged them to carry forward the innovative elements within China's fine traditional culture, and work for high-level self-reliance and strength in science and technology.

The event coincided with the first anniversary of the China Scientists Museum. Over the past year, the museum attracted over 170,000 visitors and curated 14 thematic exhibitions to showcase scientists' achievements and spirit.