Nantong Henka Environment Solutions Co., Ltd was founded in 2004. Henka is one of the famous and professional air filter manufacturers for air purifiers, air cleaners, and ventilation systems. Our air filters include HEPA, VOC removal filters, Formaldehyde removal filters, Activated Carbon filters, Odor removal filters, HVAC filters, i-Hepa ventilation purification devices, and IFD purification devices. Henka is the customized air filter supplier for the famous brands of air purifiers and air cleaners in the North American market and China market. Henka provides not only air filters but also professional air purification solutions. Henka is located in Haimen City, Jiangsu Province, which is only 120 kilometers away from Shanghai. Henka has ISO14001:2015, ISO9001:2015 and ISO45001:2018 certifications, efficiency and air resistance test system for filter media, noise test lab, 30 cubic meters test room for formaldehyde and VOC remove efficiency, CADR test room for air purifier. ASHRAE 52.2 is used in testing air filters. With more than 20 years of experience working with a US engineering team, we can design the product based on the specifications, drawings, samples, or even ideas from our customers, and provide professional air filtration solutions to our customers. We provide complete engineering design services, including the design of various specifications of filters, the production of engineering samples, production and testing, solid modeling, rapid prototyping and other tools to provide a variety of services for customers. We design and manufacture custom filters to solve filtration and related problems for our customers. In order to meet the requirements of our customers in the relevant market, we respond quickly and provide innovative solutions.