股 票 研 究 液氩均价同比翻倍；杭氧加入可控核聚变 创新联合体 |  | 工业气体行业周度跟踪（2025 | | 年 12 | 月第 | 5 | 周） | | --- | --- | --- | --- | --- | --- | --- | | | [姓名table_Authors] 电话 | 邮箱 | | | | 登记编号 | | 肖群稀(分析师) | 0755-23976830 | xiaoqunxi@gtht.com | S0880522120001 | | --- | --- | --- | --- | | 赵玥炜(分析师) | 021-23185630 | zhaoyuewei@gtht.com | S0880525040040 | 本报告导读： 数据端看，2025 年 12 月第 5 周，液氩延续上涨趋势；稀有气体周均价低位震荡。 负荷率端看，中国工业气体周度开工负荷率环比下降；事件端看，杭氧集团加入可 控核聚变创新联合体，新增 4.2 万 Nm³/h 工业气体服务。 投资要点： 中国工业气体周度开工负荷率环比下降。根据卓创数据，截至 2025 年 12 月 31 日，中国工业气体周度开工负 ...

报告导读： 数据端看， 2025 年 12 月第 2 周，液氩延续上涨趋势；稀有气体周均价环 比持平。负荷率端看，中国工业气体周度开工负荷率环比上行；事件端看， 杭氧中标 BEST 低温分配阀箱项目 。 投资建议。 价格端看，液氩延续上涨趋势；稀有气体周均价环比持平。负荷率端看，中国工业气体周度开工负荷率环比上行；事件端看，杭氧中标 BEST 低 温分配阀箱项目。 液氩延续上涨趋势；稀有气体周均价环比持平。 根据卓创资讯工业气体官方微信公众号，截至 2025 年 12 月 11 日，气体周度价格情况如下： 1 ）液态 气： ① 液氧：均价 372 元 / 吨，环比跌 2.87% ，同比跌 5.1% ； ② 液氮：均价 388 元 / 吨，环比跌 0.78% ，同比跌 3.6% ； ③ 液氩： 均价 949 元 / 吨，环比涨 3.94% ，同比涨 52.84% 。 2 ）稀有气： ① 管束高纯氦气：均价 91 元 / 立方米，环比持平，同比跌 6.67% ； ② 瓶装高纯氦气（ 40L ）：均价 625 元 / 瓶，环比持平，同比跌 5.15% ； ③ 氙气：均价 22500 元 / 立方米，环比持平，同比跌 ...

Investment Rating - The report assigns an "Accumulate" rating for the industry [1] Core Insights - The report highlights a continued upward trend in liquid argon prices, while rare gases are experiencing low price fluctuations. The weekly operating load rate for China's industrial gas sector has slightly increased. Notable events include the commissioning of a 45,000 standard cubic meters per hour oxygen air separation unit by Messer in Xichang and a strategic cooperation agreement between Shaanxi鼓 Group and Dalian Hope Group [3][4] Summary by Sections Price Trends - Liquid argon has an average price of 859 RMB/ton, showing a 3.62% increase week-on-week and a 26.13% increase year-on-year. In contrast, liquid oxygen and liquid nitrogen prices have decreased by 3.3% and 1.6% respectively [4][6] - Rare gases show varied price movements: high-purity helium in bundles remains stable, while bottled high-purity helium (40L) increased by 0.89% week-on-week. Xenon and krypton prices have decreased by 3.08% and remained stable respectively [4][6] Operating Load Rates - The average weekly operating load rate for China's industrial gas sector is reported at 69.72%, reflecting a slight increase of 0.03 percentage points [4][7] Important Events - Messer has successfully commissioned a new large air separation unit in Xichang, increasing its total oxygen production capacity in the region to over 100,000 standard cubic meters per hour. Additionally, Shaanxi鼓 Group has entered into a strategic cooperation agreement with Dalian Hope Group [4][6]

Investment Rating - The report assigns an "Accumulate" rating for the mechanical industry [1] Core Insights - The report highlights that the weekly operating load rate of China's industrial gas sector has increased on a month-on-month basis. Additionally, Hangzhou Oxygen Plant has established an industrial fund focusing on investment opportunities in low-temperature deep cooling technology and controllable nuclear fusion [3][4] - Liquid argon continues its upward trend, while the average price of rare gases remains low and fluctuates. The average weekly operating load rate for industrial gases in China is reported at 69.69%, reflecting a month-on-month decrease of 1.63 percentage points [3][5] Summary by Sections Price Trends - Liquid oxygen has an average price of 422 RMB/ton, down 2.54% month-on-month but up 4.46% year-on-year. Liquid nitrogen is priced at 412.5 RMB/ton, down 4.6% month-on-month and down 5.5% year-on-year. Liquid argon is priced at 829 RMB/ton, up 7.94% month-on-month and up 15.85% year-on-year [5][6] Key Events - Hangzhou Oxygen Plant has announced the establishment of a venture capital partnership with a total subscribed capital of 1 billion RMB, focusing on industrial gases, low-temperature deep cooling technology, controllable nuclear fusion, and innovative energy power equipment [5][6] - Messer's new technology center in Chengdu has officially opened, equipped for demonstration, testing, and training across four core areas: welding and cutting, combustion technology, food and beverage, and water treatment [5][6] Company Recommendations - Recommended stocks include Hangzhou Oxygen Plant and Shaanxi鼓动力, with related stocks being Zhengfan Technology, Fostar, and Zhongtai Co., Ltd. [5][6]