- Uni Co., Ltd.
- Address:664-14 Deokjindong Deokjingu
- Puri Co., Ltd
- Address:#826 Samsung Midas Venture Town 775-1, JangHang-Dong, Ilsan-Gu
- SEOKYUNG INDUSTRIAL CO LTD
- Address:73 Habongan-dong
- Hiqtech Co., Ltd.
- Address:
- juntro co.,ltd
- Address:436 Bundong gangbukgu
- Deajin nano filter
- Address:1080-5 Wolamdong
- Shinsung Ele., Co. Ltd.
- Address:No 104,834, I-park Sangga, Sungsu2ga 3dong, Sungdonggu
- Naru Trade Co., Ltd
- Address:
- Hanumul
- Address:Room 701-1 Ilsan Techno Town
- Hans Industrial Co.
- Address:41 Wangnim-ri,Wangnim-ri ,Bongdam-eup ,Hwaseong-si
- porecell co., ltd
- Address:7f, Nobel Tower, 138-12 Sangdaewon 1dong, Jungwon-gu
- HANDOK CLEAN TECH. CO., LTD.
- Address:No. 690, Gwanpyeong-dong, Yuseong-gu
- BIZWIN
- Address:518, Hyundai-Venture-vill, Gumidong 24-1, Bundang-gu
- OTULAND CO.,LTD
- Address:970-109, Wolchul-dong, Buk-gu
- if hitech Co.,ltd
- Address:Naeduk-2
- SEOKYUNG IND.CO., LTD.
- Address:687, 921dong-1502ho Jugong Apartment, Sanggye-10dong, Nowon-Gu
- KUM YANG MATERIALS COMPANY
- Address:
- Hendi International Inc.
- Address:137-2 Hongje-dong, Seodaemun-ku
- EURECOM KOREA INC.
- Address:2F, Dogn-Myoung Bldg, 23-8,
- Nexus green Corp.
- Address:# 362, Gwangmyeong Sibeom Industrial Complex, 201, Haan-dong