R&D and Technical Innovation
Pushing the boundaries of filtration science. From PhD-led research to standardized 30m³ test chambers, we invest in the technology that ensures your air is pure.
Advanced In-House Laboratories
Our facilities allow us to test every parameter of filter performance, from water absorption rates to CADR and microbial resistance.
▶ Nantong Deli — In-House Laboratory Testing & Quality Validation Process
30m³ Sealing Cabin
Standard temperature and humidity controlled chamber for testing CADR (Clean Air Delivery Rate), humidification capacity, and overall device performance under international standards.
Microbial Laboratory
Dedicated facility for testing product sterilization, antibacterial properties, and mildew prevention — essential for humidifier wicks and high-moisture air filters.
Air Channel Efficiency Line
International standard detection line for measuring purification efficiency, air resistance, and pressure drop across various filter media and finished products.
Humidifier Comprehensive Lab
Standardized test laboratory specifically for wet film and humidifier parameters, ensuring optimal performance of our composite evaporative media.
Filter Paper Test Room
Specialized equipment for screening and optimizing raw materials — testing water absorption rate, height, and wicking speed for our patented humidification wicks.
Proprietary Production R&D
We don't just buy machines; we build them. Our team develops independent, customized production equipment like our high-speed filter paper punching lines.
Intellectual Property Leadership
Nantong Deli has a sustained commitment to proprietary technology. Our "Industry-University-Research" collaborations with leading Chinese universities drive our patent portfolio.
54
Declared Patents
53
Authorized Patents
Core Filtration Technologies
Our R&D team, led by 2 PhDs, has developed several proprietary technologies for molecular-level air cleaning.
Microcapsule Technology
Slow-release delivery system for functional fluids, extending the lifespan of antibacterial and aromatic treatments in filter media.
Normal Temperature Catalysis
Highly effective catalytic removal of Formaldehyde and VOCs without the need for UV light or high temperatures.
Molecular Independent Loading
Advanced impregnation technique that bonds functional molecules directly to filter fibers for maximum contact and efficiency.
High-Speed Punching Process
Custom-engineered processing for humidifier filters that ensures high precision, controllable quality, and massive production capacity.
Partner with a Technical Leader
Leverage our PhD-led R&D team and 30 years of manufacturing experience for your next OEM air filtration project.
Request a Technical Consultation →