Explore our premium range of adsorption media engineered for clinical, residential, and industrial oxygen concentrators.
Pressure Swing Adsorption (PSA) and Vacuum Pressure Swing Adsorption (VPSA) are the primary technological pillars of modern oxygen concentrators. Inside these systems, zeolite molecular sieves act as the structural engine. By leveraging the difference in the electrostatic interaction between nitrogen gas molecules and the metal cations housed inside the crystalline aluminosilicate framework, the sieve selectively retains nitrogen while letting high-purity oxygen pass through.
To secure a higher Information Gain for global engineers, it is crucial to analyze the thermodynamics of this reaction. Nitrogen ($N_2$) possesses a distinct quadrupole moment ($1.5 \times 10^{-40} \text{ C}\cdot\text{m}^2$) which makes it highly reactive to the localized electrical fields of extra-framework cations (such as $Li^+$ or $Na^+$) present within the zeolite cages. In contrast, oxygen ($O_2$) has a negligible quadrupole moment, permitting its uninhibited flow. Selecting the right zeolite chemistry impacts the oxygen recovery rate, energy expenditure, and the physical size of the final concentrator unit.
A trusted global leader in synthetic zeolite and molecular sieve manufacturing since 1994.
Shanghai Jiuzhou Chemicals Co., Ltd. (JOOZEO) is strategically based in Shanghai, the economic and logistical heartbeat of China. Guided by our foundational values of "Quality Control & Continuous Innovation", we focus on the research, synthesis, and distribution of state-of-the-art chemical adsorbents. Our comprehensive catalog features high-performance molecular sieve powders, activated alumina, sodium silicates, and medical-grade lithium/sodium zeolites. Our manufacturing facilities operate under strict ISO 9001:2008 and updated ISO 9001:2015 frameworks, validated by globally recognized testing agencies including TUV and SGS.
How vertical integration and logistical excellence translate into unmatched pricing and product reliability.
By producing core raw ingredients such as liquid sodium silicate (JZ-DSS-L) in-house, we control costs and guarantee chemical purity from raw silica to finished crystalline zeolite beads.
With massive calcination rotary kilns at our Shanghai and Wuxi factories, we fulfill large-scale global purchase agreements, ensuring competitive pricelists for distributors.
Our strategic proximity to the Port of Shanghai minimizes domestic transit times and lowers international freight rates, enabling rapid delivery to key global markets.
Designed for diverse operating environments and demanding industrial and clinical standards.
High-capacity PSA oxygen generators installed in hospitals require robust materials to handle continuous load. Our Sodium-based and Lithium-based molecular sieves maintain structural integrity under persistent cyclic pressure swings. Crucial characteristics include:
Portable devices rely on lightweight designs and long battery life. High-efficiency lithium-exchanged zeolites are essential in this segment, offering up to 3 times the nitrogen adsorption capacity of traditional sodium zeolites. Benefits include:
JOOZEO actively contributes to the development of national and industrial standards, verifying our technical expertise.
JB / T 10532-2017
Adsorption Air Dryers
HG / T 3927-2007
Activated Alumina
JB / T 10526-2017
Refrigeration Dryers
T/CGMA1201-2024
Industrial Group Standard
T/HGHX 02—2024
Chemical Standards
T/CIET 854-2024
Technology StandardWe align our manufacturing processes with environmental protection guidelines, aiming to build a clean future and improve global health.








Operating a global supply chain requires adherence to diverse regional regulatory frameworks. At JOOZEO, we establish localized support hubs across key target markets to streamline customs clearance and ensure technical compatibility.
Our regulatory framework guarantees that all shipped batches comply with the EU REACH registration requirements and United States FDA directives for materials used in medical gas systems. Each shipment includes a detailed Certificate of Analysis (COA) containing key quality and performance metrics:
We work closely with local logistics providers in the United States, Europe, Southeast Asia, and South America to offer door-to-door delivery services, customs brokerage assistance, and localized technical consultation.
Find technical answers to common queries regarding molecular sieve selection, operation, and procurement.
Explore our specialized adsorbents, binder-free formulations, and custom ceramic ball packings.
Get in touch with our technical sales engineers for a customized quotation, current pricelists, and compatibility assessments. We respond to all inquiries within 24 hours.
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