Group 1 - The company, Xiamen Tungsten Co., Ltd., is the first in China to have the research and production capabilities for tungsten components used in nuclear fusion devices, specifically the ITER divertor tungsten probe components [2] - The company possesses precision machining capabilities for large-sized ITER-grade tungsten materials, which meet the high standards required for different magnetic confinement fusion devices such as EAST and ITER [2] - Xiamen Tungsten provides a variety of tungsten products and components to domestic and international fusion customers, fulfilling the demands of advanced fusion technology [2]