- DONG SUNG OIL & CHEMICAL CO.
- Address:227-12 Saengcheol-ri
- DooYoun A&L Corp.
- Address:RM501, Life-Combi BLDG, 61-4, Yoido-Dong, Youngdeungpo-Gu
- UNEEDKOREA, South Korea.
- Address:1039 Maius Building, ShangNam-Dong
- SM Lubricant Co.,
- Address:
- Korea Petroleum Industrial Co., Ltd.
- Address:302-79,Ichon-dong ,Yongsan-gu
- KESECO CO ., LTD (KOREA)
- Address:SUNGDONG-GU, SEOUL, KOREA, South Korea
- Korea Nuclear Fuel Co., Ltd.
- Address:493,Deokjin-dong ,Yuseong-gu
- LUBTECH SYSTEM CO.,LTD.
- Address:170-4 Jeongchon-ri Seonggeo-eup
- jgi.co
- Address:1f shinyoungtong e-town2 382-3,mangpodong,yungtong ku,suwon city,gyeonggido,korea
- OHMAH CO., LTD
- Address:609-503, Daewha-2nd St. 121, West Ilsan
- APOLLOTECH CO LTD
- Address:Yeoksam dong, Kangnam Gu
- KY Trading Company
- Address:# 606 Gangseo Postel, 1065-6, Hwagog 3-dong, Gangseo-gu
- Daedeok Gas Co,Ltd
- Address:# 12b-3l Nam-Dong Ind Complex
- DK Korea
- Address:# 136-35, Jegi-dong, Dongdaemun-gu,
- Fine Exim corporation
- Address:Koreaseoul316-5 Yangjaedong Sechoku
- Doobon Fine Chemical Co., Ltd.
- Address:220, Biryong-ri, Nami-myeon, Cheongwon-gun
- Mcscience
- Address:youngtong-dong
- IIAN TECH
- Address:190-1 Sangdaewon-dong, Jungwon-gu
- C&Lube
- Address:10th FL. Gi-Jong BD. 37-14, Toegye-ro, Jung-gu,
- ENGIS KOREA
- Address:258-11, Songsan-Ri, Yanggam-Myeon