- Sonamoo International Co., Ltd.
- Air Purifier System, Negative Ion Generator.
- Address:Trade Tower Rm 3408, Trade Center Seoul Kangnamgu 135-729 Korea
- Shin-ah elelctronics Co., Ltd.
- purifier, air cleaner, oxygen, negative ion.
- Address:842, 4ba, Shihwa Industrial Complex, Sungkok-dong, Ansan-si, Gyeonggi-do 425-110 Korea
- Hwasung Industry
- Forest anion light bulbs. Forest anion light bulb is the new revolutionary light bulb with negative ion generator.,Energy Saving & Fluorescent,Air Purifier,Natural Crafts,Gas Cooker, Range, Stove,BBQ, Grilling & Outdoor Cooking.
- Address:Rm.1716 Windstone B/D,275-2, Yangjae-dong