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A world-leading manufacturer of energy-efficient PSA oxygen generators & nitrogen generators

Nitrogen Generator
The company has obtained more than fifty patents. It is a national high-tech enterprise in China.
Oxygen Generator
There are thousands of products in stable operation around the world.
PRODUCTS
recommended products
With customers in more than 100 countries around the world, HUILIN has built strong foundations in Asia, the Middle East, and Africa, and at the same time gained substantial presence in Europe and the United States. This success stems from steady enhancements in product quality, constant technological innovation, and ever-improving services, which together have won the confidence of many premium customers.
Advantages


Why Choose HUILIN
HUILIN Company management standards, obtained ISO9001 quality certification system certificate in 2011, and obtained CE, SGS, TUV and other certification certificates. HUILIN Company’s products are mature and reliable, and many old customers repeat purchases many times.
Certified by ISO9001, ISO14001, CE, SGS, TUV in multiple countries, products meet EU export standards, and medical equipment has relevant registration for Class II medical devices
Self-developed zeolite molecular sieve formula+blizzard loading process, adsorption capacity 20% higher than the industry, molecular sieve service life>10 years; Equipped with automatic compression and sinking alarm devices to prevent pulverization failure and significantly reduce maintenance costs.
Suitable for industries such as lithium batteries, electronics, food, medicine, metallurgy, chemical engineering, and aquatic products, tailored to special working conditions such as high temperature and humidity, high altitude, and explosion-proof workshops.
The repurchase rate of old customers exceeds 45%, the equipment failure rate is less than 0.5%, and the product stability has been verified through large-scale projects.
HUILIN has been granted more than twenty patents and through collaborative technical research with research institutes, continues to enhance its technical capabilities, ensuring that the company’s technology remains at the forefront of the industry.


Understand the industry we serve
With customers in more than 100 countries around the world, HUILIN has built strong foundations in Asia, the Middle East, and Africa, and at the same time gained substantial presence in Europe and the United States.
Since
2009
Design
5000+
service


HUILIN customer service content and service standards
HUILIN Company provides customers with a complete on-site oxygen and nitrogen gas supply solution that are full process, implementable, and accountable. The complete service covers four core stages: pre-sales, in sales, warranty period after-sales, and lifetime value-added services upon expiration of the warranty period.
1
  Pre-sales Service (Accurate Equipment Selection to Prevent Compatibility Issues from the Source)
1. Fully communicate and confirm customer needs
2. Customized gas supply plan+multi version quotation
2
  After-Sales Service (Comprehensive Process Management To Ensure Equipment Delivery Meets All Requirements)
1. Real-time production progress synchronization
2. Comprehensive factory inspection
3. Professional installation guidance
4. Full-system debugging + on-site testing
5. Tiered practical training services
3
  After-sales Service During the Warranty Period (Core Guarantee: Ensuring Stable Equipment Operation)
1. The entire equipment is covered by a warranty period of no less than 12 months
2. Remote technical support via phone or WeChat provides rapid response within 1–2 hours
3. Local engineers provide on-site emergency repairs 24 hours a day.
4. For domestic customers, a free comprehensive on-site inspection will be conducted every 6 months during the warranty period.
5. Common spare parts inventory
PSA


HUILIN Pressure Swing Adsorption(PSA) Technology
Pressure Swing Adsorption (PSA) is an advanced gas separation technology. It has an irreplaceable position in the on -site gas supply of today's world.
PSA nitrogen-generator process is mainly completed by four steps:
1
  Air compressor provides compressed air with certain pressure
1. Fully communicate and confirm customer needs
2. Customized gas supply plan+multi version quotation
2
  Air purification system purifies compressed air by removing the dust, oil and moisture
1. Real-time production progress synchronization
2. Comprehensive factory inspection
3. Professional installation guidance
4. Full-system debugging + on-site testing
5. Tiered Practical Training Services
3
  Oxygen and nitrogen separation system produce qualified nitrogen gas through PSA technology
1. The entire equipment is covered by a warranty period of no less than 12 months
2. Remote technical support via phone or WeChat provides rapid response within 1–2 hours
3. Local engineers provide on-site emergency repairs 24 hours a day.
4. For domestic customers, a free comprehensive on-site inspection will be conducted every 6 months during the warranty period.
5. Common spare parts inventory
4
  Nitrogen buffer system provides a stable source for follow-up equipment by the storage of nitrogen gas.
Nitrogen buffer system provides a stable source for follow-up equipment by the storage of nitrogen gas.
Our clients


We are Trusted By Our Partners and Brands
HUILIN Company management standards, obtained ISO9001 quality certification system certificate in 2011, and obtained CE, SGS, TUV and other certification certificates. HUILIN Company’s products are mature and reliable, and many old customers repeat purchases many times.


About HUILIN
HUILIN company was established in 2009 and has a history of more than ten years 
HUILIN Co. is a company specializing in the production, research and development, sales and service of PSA oxygen generators and nitrogen generators. The address of HUILIN Company is located in Guangzhou, China.

HUILIN company was established in 2009 and has a history of more than ten years. Users covered more than one hundred countries around the world, not only traditional markets in Asia, Africa and Latin America, but also a large number of users in Europe and the United States. There are thousands of products in stable operation around the world.
news
Blog & article
It has in-depth research on the energy-saving, intelligent, and production standardization of PSA equipment, and its technology maintains the world's leading level in the industry .
Huilin Company conducts all staff fire drills to strengthen the safety production "firewall"
Recently, Huilin Company organized a fire drill for all employees, aiming to strengthen their awareness of fire safety, enhance their emergency response capabilities, and effectively build the company's safety production defense line.
2026 06 30
Huilin Company organizes health check ups for all employees, providing warm and caring care to safeguard their well-being
Recently, Huilin Company has carefully organized and carried out a comprehensive health examination activity for all employees, safeguarding their physical health and conveying the company's deep concern for employees through practical actions.
2026 06 30
HUILIN company has an independent laboratory and a production-academy-research base with colleges and universities
HUILIN Company management standards, obtained ISO9001 quality certification system certificate in 2011, and obtained CE,SGS,TUV and other certification certificates.
2026 06 30


Looking for Oxygen generator and nitrogen generator ? partner with the best.
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Contact person
HUILIN Co. is a company specializing in the production, research and development, sales and service of PSA oxygen generators and nitrogen generators. The address of HUILIN Company is located in Guangzhou, China.
Contact Us
Contact person: Bridge Lei
Tel: +86 13724819737
Whatsapp:+8613724819737
E-mail: huilin@world-gas.cn
Add: B101 building No160 Gandong street Donghuan Panyu District, Guangzhou,  Guangdong, China
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