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JOS Logo JOS

Premium Molecular Sieves &
Industrial Valves from China

JOS delivers high-performance carbon molecular sieves, pneumatic and solenoid valves for PSA nitrogen generation, industrial automation, and gas separation systems with global reliability.

JOS Factory

About JOS

Since March 2016, Changxing JOS Import & Export Co., Ltd has partnered with top-tier Chinese manufacturers to deliver high-quality molecular sieves, industrial valves, and automation components. We specialize in complete solutions for air separation, nitrogen generation, and industrial fluid control systems.

Our expertise spans carbon molecular sieve development, PSA equipment integration, and precision valve manufacturing. With a strong technical team and customer-focused support, we ensure optimal performance and long-term reliability.

4000+
Technical Personnel
152
Awards Won
365
Shipments Sent
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Our Products

High-performance molecular sieves, pneumatic valves, solenoid valves, and accessories engineered for industrial reliability and efficiency.

Carbon Molecular Sieve CMS-200

Carbon Molecular Sieve CMS-200

Non-polar adsorbent designed for nitrogen-rich gas production in PSA systems. High selectivity and long service life.

Application: Nitrogen generation, air separation
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CMS-220 for PSA Plant

CMS-220 for PSA Plant

Advanced carbon molecular sieve optimized for high-efficiency nitrogen generation in pressure swing adsorption plants.

Features: High adsorption capacity, low pressure drop
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CMS-208 for Nitrogen

CMS-208 for Nitrogen

Specifically engineered for nitrogen enrichment applications with excellent O₂/N₂ separation performance.

Use Case: Industrial nitrogen generators
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CMS-228 for Nitrogen Equipment

CMS-228 for Nitrogen Equipment

High-capacity carbon molecular sieve for industrial nitrogen generation equipment requiring consistent purity.

Performance: Stable output, long cycle life
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CMS-LP1 Nitrogen Generation

CMS-LP1 Nitrogen Generation

Designed to extract nitrogen from air using PSA N₂ generators. Ideal for low-pressure applications.

Efficiency: High recovery rate, low energy consumption
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CMS-HP1 High Purity Nitrogen

CMS-HP1 High Purity Nitrogen

Premium carbon molecular sieve for producing high-purity nitrogen via PSA equipment. Superior O₂ rejection.

Purity: Up to 99.999% nitrogen output
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UHP-100 Ultra High Pressure

UHP-100 Ultra High Pressure

Advanced CMS based on CMS-HP1 with improved production process for ultra-high-pressure nitrogen systems.

Pressure Rating: Up to 150 psi
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OX-101 Oxygen Equipment Sieve

OX-101 Oxygen Equipment Sieve

Lithium-based high-performance oxygen enrichment sieve bed for PSA oxygen generation systems.

Application: Medical & industrial oxygen plants
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3A Molecular Sieve

3A Molecular Sieve

Potassium type A aluminosilicate for adsorbing molecules with critical diameter less than 3Å. Ideal for drying applications.

Use: Natural gas drying, ethanol dehydration
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Angle Seat Pneumatic Valve

Angle Seat Pneumatic Valve

Durable, fast-acting valve for precise control of steam, water, air, and other fluids in industrial processes.

Type: Pneumatic actuated, stainless steel body
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2 Way Solenoid Valve

2 Way Solenoid Valve

Electromechanical valve for on/off control of fluid and gas flow. Reliable performance in automation systems.

Ports: 2-way, normally closed/open
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Digital Pressure Switch

Digital Pressure Switch

Precision digital switch for monitoring and controlling pressure in pneumatic and hydraulic systems.

Display: LED, adjustable set points
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Why Choose JOS?

Industrial Expertise

Over 8 years of experience in molecular sieve and valve manufacturing with technical excellence.

Quality Certified

152+ industry awards and recognition for product reliability and innovation.

Global Reach

Products shipped worldwide with consistent quality and on-time delivery.

24/7 Support

Dedicated technical team available for consultation, installation, and maintenance.

8+
Years in Industry
50+
Countries Served
1000+
Satisfied Clients

Frequently Asked Questions

How does a 2 way solenoid valve work?

A 2 way solenoid valve is an electromechanical device that controls the flow of fluids or gases. When energized, the solenoid creates a magnetic field that moves a plunger to open or close the valve, allowing or blocking flow between two ports.

How do I choose a molecular sieve?

Selection depends on your application: pore size, adsorption capacity, thermal stability, and chemical compatibility. For PSA oxygen generation, lithium-based X zeolites like OX-101 are preferred for high oxygen yield.

What are the components of carbon molecular sieve?

The main component is elemental carbon. It appears as a black columnar solid with a microporous structure that selectively adsorbs oxygen over nitrogen in air separation processes.

What conditions are needed for carbon molecular sieve nitrogen production?

Clean, oil-free compressed air is essential. The air must be filtered and dried before entering the adsorption tower to prevent contamination and ensure long sieve life and high nitrogen purity.

Get in Touch

Need technical support, product specifications, or a quotation? Contact us through our official website.

Contact Information

+86-572-6588978
http://cx-jos.com
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