, June 28 -- China's "artificial sun" project has achieved a major engineering breakthrough with the successful development and testing of two key superconducting magnet systems for future fusion reactors.

The Institute of Plasma Physics under the Chinese Academy of Sciences announced on Saturday that it had completed the development, acceptance and full-performance testing of a toroidal-field superconducting magnet and a high-temperature superconducting central solenoid coil.

Scientists said all of the project's core technologies were developed in China, marking a significant step forward in the country's fusion energy research.

According to the institute, the newly developed systems rank among the world's most advanced in terms of ov...