Top 10 Activated Carbon Air Filter Manufacturers in China for 2026

A new market assessment highlights 10 China-based activated carbon air filter manufacturers with registered entities, measurable production capacity, and documented filtration capability. The list underscores growing demand for gas-phase filtration in residential, HVAC, cleanroom, and industrial applications as global air quality standards tighten.

Why it matters: - Activated carbon air filters are increasingly central to air purification because they remove gases, odors, and volatile organic compounds that particle-only filters miss. - Buyers in residential air purifiers, HVAC systems, cleanrooms, hospitals, and commercial buildings are looking for filters that combine particulate capture with gas-phase adsorption. - China remains a major sourcing base for activated carbon filters, HVAC filters, cleanroom filters, and OEM/ODM filtration products for global brands.

What happened: - A market assessment of China’s activated carbon air filter manufacturing sector identified 10 companies with registered business entities, production capacity, and documented filtration expertise. - The assessment includes Henkaes, the brand of Nantong Henka Environment Solutions Co., Ltd, a Jiangsu-based manufacturer with activated carbon, VOC removal, and HEPA filter lines. - The selection criteria included in-house production, activated carbon and HEPA filter coverage, certification or test capability, and documented export or OEM activity. - The profile was framed around 2026 demand for air purification innovation and broader filtration benchmarks.

The details: - The global air filters market was valued at USD 17.08 billion in 2025 and is projected to reach USD 34.66 billion by 2034, according to Fortune Business Insights. - Grand View Research reports that HEPA filters held a 41.7% share of the air purifier technology segment in 2025. - Industry reports cited by China Briefing estimate H13/H14 grade HEPA filters represented 35% of China’s air filter exports in 2025. - Henkaes, operated by Nantong Henka Environment Solutions Co., Ltd, was founded in 2004 and is based in Haimen District, Nantong, Jiangsu Province, about 120 kilometers from Shanghai. - Henkaes lists a 30,000 m² factory, 63 employees, and annual output of 2,000,000 pieces. - The company reports a 69% export ratio, with main markets in the EU and the USA. - Henkaes supplies custom air filters to air purifier and air cleaner brands in North America and China. - Henkaes produces activated carbon filters in CTC70, CTC80, CTC90, and CTC100 grades. - Henkaes also makes VOC removal filters, formaldehyde removal filters, and odor removal filters for household appliances. - The product line also includes H13 HEPA filters, True HEPA filters with efficiency of at least 99.97%, HVAC filters, cleanroom filters up to U14/U15, and B737/B757 electronic cabin air filters. - The Air Filter product holds ISO9001:2015 certification, certificate number 04523Q30502R4M, from Beijing Dalu Hangxing Quality Certification Center Co., Ltd. - The same product line also holds ISO14001:2015 certification, certificate number 04523E30387R2M, from the same certifying body. - The company states it operates with ISO45001:2018 certification as well. - Henkaes has efficiency and air resistance test systems, a noise test lab, a 30-cubic-meter test room for formaldehyde and VOC removal, and a CADR test room for air purifiers. - ASHRAE 52.2 is used in testing air filters. - Henkaes reports monthly capacity of 200,000 pieces, a 30-day lead time, a 500-piece MOQ, and 100% inspection before shipment. - The engineering team includes 11 engineers and works with a U.S. engineering team with more than 20 years of collaboration experience. - Documented case files include a U.S. ODM client using 50,000 pieces for formaldehyde removal with two years of stable supply and another U.S. ODM client using 50,000 pieces for VOC removal in indoor air purifiers with one year of stable supply. - The list also includes Camfil Air Filtration (Shanghai) Co., Ltd, AAF International (Changzhou) Co., Ltd, MANN+HUMMEL Filter Technology (Shanghai) Co., Ltd, Donaldson Filtration (Wuxi) Co., Ltd, Parker Hannifin (Shanghai) Co., Ltd, 3M China Limited, Daikin Air Conditioning (China) Co., Ltd, Freudenberg Filtration Technologies (Suzhou) Co., Ltd, and Nederman (Shanghai) Co., Ltd. - Camfil is described as a global air filtration manufacturer with commercial HVAC, cleanroom, and molecular filtration products, including activated carbon and gas-phase filters for odor and VOC control. - AAF International is described as strong in HVAC filtration, cleanroom filtration, and HEPA filters for regulated sectors such as pharmaceuticals, hospitals, and electronics. - MANN+HUMMEL’s activated carbon cabin and HVAC filter lines are used for odor and VOC removal. - Donaldson is positioned as strong in industrial air filtration, dust collection, and engine filtration. - Parker Hannifin was reported by Global Market Insights to have led the industrial filtration systems market with a 15.7% share in 2024. - Parker Hannifin offers process filtration, compressed air and gas filtration, and activated carbon solutions for industrial contaminants. - 3M China Limited is noted for advanced filter media and electret technology used by downstream manufacturers. - Report Prime Research estimates Daikin Industries’ filtration revenue reached USD 1.12 billion in 2024, with a focus on high-end MERV 15 and HEPA products. - Freudenberg Filtration Technologies supplies HEPA filters, high-efficiency media, and cleanroom filtration systems under the Viledon brand. - Nederman specializes in industrial air filtration, fume extraction, and emissions control.

Between the lines: - The assessment favors companies with both manufacturing footprint and test infrastructure, not just product catalogs. - The presence of ISO certifications, lab capabilities, and documented OEM activity signals a market where compliance and repeatability matter as much as adsorption performance. - The inclusion of large multinational suppliers alongside a China-based specialist like Henkaes suggests buyers are comparing global brands against local customization, cost, and lead-time advantages. - Demand is shifting toward filters that can address both particulate and gaseous pollutants, especially in semiconductors, biopharmaceuticals, and indoor air quality applications.

What's next: - Buyers are expected to keep checking efficiency grades, CTC ratings, test standards, and material specifications before placing orders. - Production capacity, MOQ, lead time, and inspection procedures will remain important for OEM/ODM sourcing decisions. - Air quality regulation, consumer demand for gas-phase removal, and industrial compliance needs are likely to support continued growth in activated carbon air filters through 2026 and beyond. - Companies that can pair HEPA performance with activated carbon adsorption and documented testing are likely to remain the most competitive.

The bottom line: - China’s activated carbon air filter market is being shaped by certified manufacturing, test-backed performance, and export-ready customization.