
A technician introduces the principle at a 3D printing course at Changjiang School in Jimo district of Qingdao, East China's Shandong province. 3D printing principle and modeling technology were introduced to the students at the course. [Photo/Xinhua]
Infographic:
A look at China's economy in Jan-Feb, 2026
Infographic:
China to expand two-way investment cooperation
Infographic:
China to open wider to outside world