About Deli - Filter Manufacturer Since 1993
A Filtration Manufacturer You Can Build On - Since 1993
Founded in 1993 in Nantong, China, Nantong Deli Purification Equipment Factory Co., Ltd. specializes in the research, development, and manufacture of humidifier filters, dehumidifier (HAF) filters, and air purification filters.
For over 30 years, our products have been supplied to leading global home-appliance brands including Gree, LG and Philips.
We hold ISO 9001 and ISO 14001 certifications and were recognized as a National High-Tech Enterprise in 2016. Our team of 80+ professionals including 2 PhDs and 12 R&D engineers works with leading Chinese research institutes. With 53 granted patents, an in-house 30 cubic meter CADR testing chamber, and a dedicated wet-film laboratory, we engineer and verify our filters.
Deli at a Glance
- 30+ years of filtration expertise (since 1993)
- ISO 9001 and ISO 14001 certified
- 53 granted patents
- 80+ staff including 2 PhDs and 12 R&D engineers
- Trusted OEM supplier to Gree, LG and Philips