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 does not explicitly state an investment rating for the industry [1]. Core Views - The photovoltaic inverter exports are steadily increasing, with significant contributions from Australia. In October 2025, China's inverter exports reached 680 million USD, with a cumulative total of 7.44 billion USD from January to October, marking a 6.4% year-on-year growth. The exports to Australia in October alone were approximately 58 million USD, showing over 200% growth year-on-year, primarily due to a government subsidy plan implemented in Australia [4]. - The industrial gas sector saw a strong increase in liquid argon prices in November, with an average price of 817 RMB/ton, up 23.79% from October and 17.89% year-on-year. Other gases remained relatively stable, with liquid oxygen at 419 RMB/ton and liquid nitrogen at 417 RMB/ton. The overall demand is expected to remain weak in the coming months, with prices likely to decline [4]. - In the automotive sector, retail sales of passenger vehicles saw a slight year-on-year decline in the third week of November, but a month-on-month recovery. The average daily retail sales were 71,000 vehicles, down 7% year-on-year but up 7% month-on-month. The upcoming reduction in vehicle purchase tax for electric vehicles in 2026 is expected to stimulate consumption towards the end of the year [4]. Summary by Sections Market Overview - In the past week, the mechanical equipment, electric power equipment, and automotive industry indices rose by 2.47%, 2.23%, and 2.01%, respectively, ranking 8th, 10th, and 11th among 31 first-level industries in the Shenwan classification. The Shanghai and Shenzhen 300 index rose by 1.64% during the same period [9][11]. Industry News and Key Company Announcements - The report highlights significant developments in the industry, including advancements in humanoid robots and the rapid growth of the energy storage sector in China, which has seen new installations exceeding 100 million kilowatts, representing over 40% of the global total [19]. - Notable company announcements include the successful bid by a humanoid robot company for a project worth 264 million RMB and the acquisition of a credit filing certificate for a solar project, which is expected to positively impact the company's performance once operational [20].

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]

Market Overview - The mechanical equipment, electric equipment, and automotive industry indices experienced weekly changes of +3.52%, +0.53%, and +1.74% respectively, ranking 7th, 22nd, and 15th among 31 Shenwan first-level industries; during the same period, the CSI 300 index changed by +1.38% [2] Industry Insights Photovoltaics - The silicon material market showed a decline in sentiment, with the main contract for polysilicon dropping by 4.09% to a closing price of 4.40; the market had anticipated the implementation of storage-related funds and review matters in September, but these expectations have not materialized, negatively impacting market sentiment [3] - The expected output for September is 125,000 tons (equivalent to 65-66 GW), which is a slight decrease compared to August; the decline in silicon material prices is attributed to limited production cuts and weak downstream component demand [3] Industrial Gases - Overall industrial gas prices saw a weekly decline; as of September 11, 2025, the average price of liquid oxygen in China was 478 RMB/ton (down 3.2% from the previous week), liquid nitrogen was 451 RMB/ton (down 2.5%), and liquid argon was 609 RMB/ton (up 1.16%); rare gases showed stable prices [4] - The short-term decline in gas prices is mainly due to improved operational efficiency of air separation equipment and insufficient short-term demand from the steel and coal chemical industries; the industrial gas sector is currently at a cyclical low, with potential for a reversal due to supply optimization [4] Automotive - In the first week of September, the retail market for passenger vehicles saw a year-on-year decline of 10%, while the retail of new energy vehicles decreased by 3%, aligning with the typical transition between the end and beginning of the month; retail sales for passenger vehicles reached 304,000 units, a 10% decrease year-on-year [5] - The decline in the new energy vehicle market was less severe than the overall market, with retail sales of 181,000 units, down 3% year-on-year; the automotive market is expected to maintain rapid growth due to promotional activities and the upcoming sales peak in September and October [5]