GophinChem - Adsorbent & Mass Transfer Specialist

About Gophin Chemical

Pingxiang Gophin Chemical Co., Ltd is a leading manufacturer and exporter of high-performance adsorbents and mass transfer media.

Your Trusted Partner in Industrial Adsorption

With manufacturing facilities in Jiangxi and Henan, China, we have an annual production capacity of 10,000–15,000 metric tons. Our products are widely used in medical and industrial oxygen/nitrogen generators, hydrogen purification, cryogenic air separation, petrochemical processing, and dehydration systems.

We provide professional technical support and high-quality chemical products to clients across 60+ countries. Our knowledgeable team ensures optimal solutions for every application.

10,000–15,000 MT annual capacity
Exported to over 60 countries
Expert technical support
On-time delivery & competitive pricing

Our Products

High-performance adsorbents and desiccants for industrial and medical applications

Lithium Molecular Sieve for Oxygen Concentrator

Application: 1–20L Oxygen Concentrator

Molecular Sieve

Carbon Molecular Sieve

Application: VPSA/PSA nitrogen generator for food and industrial use

CMS

Activated Alumina A05

Application: Air compressor, air dryer, vacuum pump

Desiccant

Blue Indicating Silica Gel

Humidity indicating: blue to pink

Silica Gel

Orange to Green Indicating Silica Gel

Color indicating: orange to green

Indicator Gel

Container Desiccant

Prevents moisture damage during shipping and storage

Packaging

Alumina Ceramic Ball

High-strength support media for reactors and columns

Ceramic Media

Mass Transfer Media

Plastic, metal, and ceramic options for tower packing

Tower Packing

Activated Molecular Sieve Powder

Application: Polyurethane polymer additive dehydration

Powder Form

Zeolite for Hydrogen Purification

Application: PSA Hydrogen Purification Systems

PSA Adsorbent

100% Natural Bentonite Clay

Eco-friendly, non-toxic desiccant for packaging

Clay Desiccant

Silica Gel Sachet

Ready-to-use desiccant packs for moisture control

Protective Packaging

Why Choose GophinChem?

We deliver quality, reliability, and technical excellence

High Quality

Premium-grade materials with strict quality control and consistent performance.

On-Time Delivery

Reliable logistics and global shipping to meet your production schedules.

Best Price

Competitive pricing without compromising on quality or service.

Expert Support

Technical guidance and application support from experienced professionals.

Frequently Asked Questions

Get answers to common inquiries about our products and services

What is the difference between molecular sieve and silica gel?

Molecular sieves are synthetic zeolites with uniform pore sizes that selectively adsorb molecules based on size and polarity. Silica gel is amorphous silicon dioxide with a porous structure, ideal for general moisture adsorption. Molecular sieves are more effective at low humidity and high temperatures.

Can I use indicating silica gel in food packaging?

Yes, our indicating silica gel sachets are available in food-safe packaging and comply with international safety standards for indirect food contact. Always confirm regulatory compliance for your region.

What is the lifespan of activated alumina?

Activated alumina can typically be regenerated and reused multiple times. With proper regeneration (heating to 175–315°C), it can last several years depending on operating conditions and contamination levels.

Do you offer custom packaging?

Yes, we provide customized packaging solutions including bulk bags, drums, and retail-ready sachets. Contact us with your specifications for a tailored quote.

How do I choose the right molecular sieve for my application?

Selection depends on target molecules, pressure, temperature, and required purity. For oxygen generation, lithium-exchanged zeolites (LiX) are preferred. For nitrogen generation, carbon molecular sieves (CMS) are used. Our technical team can assist with selection.

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Gophin Chemical – Adsorbent & Mass Transfer Specialist