- Woo Jeong Ind. Inc.
- Address:Korea Exhibition Center (COEX) , Samseong 1-dong, Gangnam-gu
- FAM INTERNATIONAL CORP.
- Address:No. 203, GEONAM B / D, 831-37, YEOKSAM-DONG, KANGNAM-GU
- Ho San Chemical Co.,Ltd
- Address:456-2,Songjeon-ri ,Idong-myeon ,Yongin-si
- Il Shin Chemical Co.
- Address:303-5, JANGKI-LI,Goryeong-eup ,Goryeong-gun
- UJIN TECH
- Address:595, Eupnae-Ri, Shinchang-Myeon,
- Kook Je Industry
- Address:+ 404, Anyang industrial complex, 555-9, Hogye-dong, Dongan-gu
- YUMIN COPRORATION
- Address:#1401 Masters Buliding,553, Dowha-dong, Mapo-gu, Seoul, Korea
- WONKYUNG INTERNATIONAL CO., LTD.
- Address:Jongro
- NanoCare
- Address:27f Korea World Trade Center, 159-1 Samsung-Dong, Gangnam-Gu
- MIJUN INTERNATIONAL
- Address:MIADONG
- FEMTOS CO LTD
- Address:SungSan-Dong 275-3 TN206B
- Eastern Trading Management
- Address:Haeundae-Gu
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- Address:
- GENERAL BIO CO., LTD.
- Address:59 Yongbok-ri, Gyeongcheon-myeon,
- MICRO SCIENCE TECH CO., LTD.
- Address:1004, Venture Valley, 40, 152 Omokcheon-ro, , Gwonseon-gu
- Natural Bohne Co., Ltd
- Address:Jungnanggu
- CHUNGDO FINE CHEMICAL CO LTD
- Address:1636-3, Soryong-dong,
- PANAGENE INC.
- Address:816, Tamnip-dong, Yuseong, Daejeon, 305-510, Korea
- Damy Chemical
- Address:# 308, Byuk-San Digital Valley2 481-10 Kasan-Dong
- CHANGDAE CORPORATION
- Address:203 youngseo bldg. , no70, naruteo road, seocho-gu,