ENVIONEER Co., Ltd. develops, manufactures, and sells wet-process-based advanced composite materials in South Korea. Its product lines include filter media for water purification, industrial liquid filtration, and hot cooking oil filtration, as well as synthetic and biomass filter support media and filters such as water filter assemblies, liquid filter cartridges, nuclear power generation filters, and portable water filters. The company also offers medical and life science materials, including virus samplers and diagnostic pads for simple diagnostic tests, and composite materials such as lightweight materials for automotive, sound-absorbing nonwovens, and flame-retardant nonwovens. Founded in 2001, it is headquartered in Jecheon-si, South Korea.