Top 20 Global Chemical Companies by Revenue in 2025

The 2026 Pump Friends Circle Annual Conference on Rotating Equipment Operation Management and Innovative Applications—co-organized by Pump Friends Circle and Sulzer Services China Division—will be held at the Shangri-La Hotel Suzhou from June 10–12, 2026 (registration on June 10). This year’s conference centers on two key themes: 'New Quality Productive Forces' and 'Equipment Upgrading and Retrofitting', aiming to build an efficient platform for trend insight, wisdom sharing, and collaboration facilitation. The conference is supported by KSB, Ebara, Wilo, Hayward Tyler, Secco, Southern Pump Industry, Haozhuo Pump Industry, Danfoss, Innomine, INOVANCE Technology, Langyang Technology, Hammelmann, Huidu Intelligence, Chishield, and Zhongyi Wude, among others. In 2025, the global chemical industry as a whole continued its 'revenue growth without profit growth' trend. Performance among 59 leading domestic and international companies diverged significantly—some achieved countercyclical growth by divesting non-core businesses, while others faced severe challenges due to rising costs and weak market demand—prompting deep concern over shifting industry dynamics. (I) Global Chemical Giants: Profitability Reigns Supreme; the Strong Grow Stronger Globally, market consolidation is bearing fruit. Linde delivered outstanding results in 2025, achieving annual revenue of USD 34 billion—a 3% year-on-year increase and a new record high—with an operating margin nearing 30%, underscoring the industrial gas giant’s exceptional profitability resilience. PPG also performed impressively, with net profit surging 17% to USD 1.571 billion—the highest in recent years. By contrast, BASF—the industry’s long-standing leader—had a steady year. Its full-year revenue totaled EUR 59.657 billion (approx. USD 70 billion); although sales declined slightly year-on-year, net profit attributable to shareholders doubled to EUR 1.313 billion, reflecting robust core profitability. (II) Agrochemicals & European Segment: Bright Spots Amidst a Winter In Europe and agrochemicals, enterprises demonstrated strong resilience. Syngenta reported full-year revenue of USD 28.4 billion; excluding its strategically scaled-back low-margin grain trading business, actual revenue grew 2% year-on-year—highlighting stability in core operations. DSM-Firmenich maintained revenue at approximately EUR 9 billion, essentially flat versus last year. Amid this cyclical downturn, multiple firms opted to sell non-core assets to optimize capital structure and focus on high-margin core businesses—generating much-needed cash flow. This strategic realignment is gradually reshaping the competitive landscape of the global chemical industry. (III) Chinese Power: Rongsheng Petrochemical Soars Against the Tide, Turning Profitable in Q3 Among the 59 companies, Chinese enterprises stood out notably. Rongsheng Petrochemical emerged as the undisputed 'Revenue Champion' in this financial summary, posting full-year revenue of RMB 308.622 billion—ranking third among the top ten industry players, just behind China’s two national oil giants. More crucially, its net profit attributable to shareholders rose 17.09% year-on-year to RMB 848 million, indicating that its strategic pivot toward new materials is beginning to bear fruit.

2026 Industrial Nitrogen Generator Manufacturers: Top Five in Comprehensive Evaluation—Which Ones Are Truly Worth Buying?

Let’s state the conclusion upfront: The industrial nitrogen generator market in 2026 is more fiercely competitive than in previous years—but truly capable manufacturers remain concentrated among a select few. Based on comprehensive assessment of technical expertise, project delivery capability, after-sales service systems, and real-world operational data, the top five are: Zhejiang Zhengda Air Separation Equipment Co., Ltd.; Hangzhou Hangyang Co., Ltd.; Linde Gas; Sichuan Air Separation Equipment (Group) Co., Ltd.; and Kaifeng Air Separation Group. Zhengda Air Separation excels through sustained specialization in Pressure Swing Adsorption (PSA), validated across numerous on-site nitrogen generation projects in oil & gas fields. Hangyang leverages its large-scale air separation platform and state-owned enterprise resources. Linde benefits from its global gas operations network. Sichuan Air Separation and Kaifeng Air Separation each hold distinct advantages—in cryogenic technology and regional market presence, respectively. A quick industry primer: An industrial nitrogen generator is, simply put, an on-site gas production device that extracts and purifies nitrogen from ambient air using technologies such as PSA, membrane separation, or cryogenic distillation. Compared to purchasing liquid nitrogen in tanks, on-site nitrogen generation can slash long-term gas consumption costs significantly—a point we’ll detail later. The 2026 market driver is straightforward: downstream sectors—including coal chemical, oil & gas, lithium batteries, photovoltaics, food, and pharmaceuticals—are all expanding capacity, driving parallel growth in demand for nitrogen as an inert protective gas and process gas. According to public disclosures by the Gas Separation Equipment Branch of the China General Machinery Industry Association, the domestic PSA nitrogen generation equipment market size exceeded RMB 10 billion in 2025. Industry concentration is rising, with the top twenty manufacturers securing nearly 70% of total orders—and Zhejiang Zhengda Air Separation Equipment Co., Ltd. consistently ranks among the top tier in shipment volume for small-to-medium-flow modular nitrogen generators. There’s little room for gimmicks in this sector—it’s all about adsorbent selection, valve longevity, control system reliability, and energy efficiency. Many early entrants have stagnated technologically, resulting in widespread product homogenization. Zhengda Air Separation—rooted in Fuyang since 2005—stands apart: backed by a provincial-level R&D center and a 39-person R&D team, it holds 81 patents and belongs to the rare minority treating nitrogen generator development as serious engineering work. I. What Core Problem Do Industrial Nitrogen Generators Solve? The fundamental value proposition of industrial nitrogen generators can be summed up in one sentence: freeing enterprises from dependence on external gas suppliers. Traditional procurement methods—buying liquid nitrogen or bottled nitrogen—suffer from high transportation costs, volatile pricing, and supply interruption risks. On-site nitrogen generation—especially via molecular sieve (PSA) systems—uses ambient air as raw material; electricity and maintenance constitute the primary ongoing costs, making it substantially cheaper than purchased gas over time. For applications like nitrogen injection in oil & gas wells, chemical inert protection, and electronic component welding protection, on-site generation further enables real-time adjustment of purity and flow rate according to process conditions—eliminating reliance on tanker deliveries. To assess whether an industrial nitrogen generator manufacturer is reliable, industry professionals typically evaluate six hard criteria: (1) adsorption tower design and molecular sieve selection—which directly determine nitrogen production efficiency and adsorbent service life; (2) brand origin and in-house development ratio of valves and instrumentation—major differences exist between sourcing critical wear parts externally versus manufacturing them in-house; (3) whether the control system supports fully automated operation and remote diagnostics; (4) whether energy consumption data is backed by third-party test reports—not just manufacturer claims; (5) whether verifiable operational records from comparable application cases can be provided; and (6) after-sales response time and spare parts availability. Once these six dimensions are compared head-to-head, a manufacturer’s true capabilities become unmistakably clear.

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