China is aggressively expanding its hydrogen energy industry through official policy support and high domestic demand, surpassing other countries in scale. The country aims to replace foreign components in low-tech areas and progress towards developing the entire hydrogen supply chain. China's focus on green hydrogen production from renewable sources like solar and wind power plants has significantly boosted its production capabilities, with estimates suggesting production will far exceed that of other nations. The growth in the hydrogen energy industry is driven by significant subsidies from local governments and enterprises, setting a foundation for substantial technological advancements. While some core components like hydrogen fuel stacks still lag behind global competitors, China's emphasis on domestic manufacturing is closing the gap. The country's development of ALK water electrolysis hydrogen production equipment, though less energy-efficient, is gaining market traction due to affordability, paving the way for potential exports to other regions. With a strong emphasis on technological advancements and market expansion, China is well-positioned to lead the global hydrogen energy industry.