Nantong Deli Purification Equipment | High-Efficiency Air & Humidifier Filters Manufacturer

Our Core Products

Engineered for performance, durability, and superior air purification. Our filtration solutions are trusted by leading HVAC and appliance manufacturers worldwide.

Humidifier Filter

Honeycomb structure ensures low volume density, large surface area, high adsorption efficiency, and low resistance coefficient.

Air Filter

Removes airborne pollutants including formaldehyde, toluene, nitrogen dioxide, sulfur dioxide, and benzene for cleaner indoor air.

Activated Carbon Filter

High-efficiency adsorption with honeycomb design for maximum surface area and minimal airflow resistance.

HAF Filter

Ultra-high flow electrostatic air filtration material. Balances filtration efficiency with low differential pressure.

Custom Air Filter

Tailored filtration solutions for unique HVAC and appliance requirements. OEM/ODM supported.

Humidifier Wick

High-capacity wicking material designed for consistent moisture distribution and long service life.

Custom OEM Filters

OEM Filtration Systems

Full OEM support for branded air purification systems with confidential production and quality assurance.

R&D Prototype

R&D Prototypes

Innovative filtration technologies developed in-house with dedicated R&D team and testing facilities.

About Deli Filters

Nantong Deli Purification Equipment Factory Co., Ltd. was founded in 1993 and has since become a trusted name in air and humidifier filtration technology. We specialize in the R&D, production, and sales of high-performance purification equipment used in household air conditioners, air purifiers, humidifiers, central air conditioning systems, and fresh air solutions.

Our guiding principles are integrity, hard work, innovation, and sustainable development. We are committed to environmental responsibility, employee welfare, and continuous improvement—driven by the belief that there is no best, only better.

Certifications & Partnerships

ISO9001 & ISO14001 Certified Since 2005
Supplier to Gree, LG, Philips
Registered Copyright: “China Purification Equipment Manufacturer” (2015)
Over 30 Years of Industry Experience

Learn More About Us

ODM & Custom Solutions

We offer end-to-end ODM services—from concept to production—with a focus on innovation, confidentiality, and precision engineering.

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Customized Process

Tailored manufacturing workflows to meet your product specifications and volume needs.

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R&D Team

In-house engineers and material scientists developing next-gen filtration technologies.

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Confidential Production

Secure manufacturing with strict IP protection and non-disclosure agreements.

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Sustainable Materials

Focus on natural raw materials and eco-friendly processing techniques.

Latest News & Insights

Childhood Companionship, Love Warms June 1st

Nantong Deli Purifier Materials Co., Ltd. held a parent-child public welfare activity for children with special needs at the Social Organization Incubation Base, Boai Home, in Chengdong Street. The event, themed "Children's Hearts Together, Love Warms June 1st," brought joy and support to families in need.

Indoor Air Quality and Mental Health

Indoor Air Quality (IAQ) is often overlooked when considering mental health. Poor air quality can contribute to stress, fatigue, and cognitive decline. Our filtration systems help maintain clean, healthy indoor environments for improved well-being.

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Advanced Air & Humidifier Filtration Solutions