A number of innovative technologies were showcased at the exhibition: At the 2025 International Gas Industry Expo, a number of innovative technologies were launched in a concentrated manner. Zhengzhou Sandao Electronic Special Gas Cylinder Passivation Film Precise Control Technology provides a strong guarantee for the stable quality of key semiconductor materials. Xintu Fluid has launched the first fully automatic carbon dioxide filling system for large bottles, marking the digital and intelligent upgrade in the gas filling field. The first set of dynamic pressure turbine expander technology in China showcased by Qicheng Suspension Technology reflects a major breakthrough in China's ultra-low temperature engineering and helium application fields.
2. Patent achievements of gas companies emerging: Recently, many gas-related companies have achieved patent results. For instance, Anhui Masteel Gas Technology Co., Ltd. has obtained a patent for "A Xenon gas Purification Device", which reduces xenon gas loss and enhances purification efficiency through a unique design. Zhongshan Huaxin Gas Co., Ltd. has obtained the patent for "A Gas leak-proof Storage Device", effectively preventing gas leakage. China National Petroleum Corporation has obtained a patent for "A refined Xai storage and refining System", which can convert substandard gases into qualified ones and reduce procurement costs.
