Jiangxi Kaijun Industrial Co., Ltd. is company for producing household air purify filters, it covers filtration and purification about particulate matter (PM2.5/0.3/0.1) and odor/toxic/harmful gas (VOC/ ozone/formaldehyde/toluene/cigarette). In addition, Kaijun produces some antibacterial/mildew/virus and other health protection products. These  are widely used in household air purifiers, fresh air systems, medical purification equipment and other fields.