On June 24, 2025, Anhui Masteel Gas Technology Co., Ltd. was granted a patent for "a xenon gas purification device". By setting up two xenon gas purification lines, it has reduced the loss of xenon gas and improved the efficiency of xenon gas purification.
On June 24, 2025, Zhongshan Huaxin Gas Co., Ltd. was granted a patent for a gas leak-proof storage device, which can effectively prevent gas leakage.
On June 24, 2025, China National Petroleum Corporation (CNPC) was granted a patent for a "refined Xai storage and refining system", which can convert substandard gases in gas storage equipment into qualified ones and reduce procurement costs.
