Group 1 - China's radar technology is leading globally due to its monopoly on gallium materials, with 98% of gallium production capacity controlled by China [1] - In 2023, China implemented export controls on gallium materials, restricting not only raw material exports but also advanced refining and processing technologies [1] - This situation disrupts the radar upgrade plans for U.S. F-35 aircraft, highlighting a significant strategic advantage for China in gallium applications [3][4] Group 2 - China is utilizing gallium materials in everyday products, such as thermometers, which are being replaced with gallium-indium-tin liquid alloy thermometers, priced around 20 yuan [3] - The psychological impact of a strategic material being used in consumer products, while being a critical bottleneck for the U.S., creates a stark contrast in application levels [4]