The article covers various developments in the hydrogen energy sector in China, highlighting key policy releases, international partnerships, industrial advancements, and technological progress. Changping District in Beijing introduced detailed rules supporting the hydrogen energy industry, focusing on R&D, refueling station construction, and vehicle promotion to enhance regional coordination. Great Wall Motor's collaboration with Saudi Aramco aims to establish a hydrogen refueling network in Saudi Arabia and develop specialized equipment for global deployment, showcasing Chinese technology globally. The operation of the world's first hydrogen detonation gas turbine in Qian'an represents a significant milestone in zero-carbon power supply, offering efficiency gains and carbon emission reductions. Additionally, China Coal Group's green energy project in Jilin demonstrates a green transformation in the coal chemical industry through large-scale hydrogen production and ammonia synthesis, emphasizing CO2 emission reductions and promoting an ammonia energy economy.