- Suhhae Industrial Co., Ltd.
- Address:Singil-dong ,Danwon-gu, Ansan-si
- XL POLYMER
- Address:Rm 610, Jungang Officetel, 527-9, Gojan-dong
- Pan Chemical
- Address:
- GUR RYUNG CORPORATION
- Address:6th floor, 1654-1, Inhun-dong, Gwanak-Gu
- Fam Internatioal Corp
- Address:Kangnam Gu
- Dongbu HiTek Co.
- Address:891-10, Daechi-Dong, Kangnam-Gu, Seoul, Korea
- Han Seo Industry Co.
- Address:
- Hiscom
- Address:RM1106, ORYUN B/D, 36-4, YOIDO-DONG, YOUNGDUNGPO-GU
- ESDY CORPORATION
- Address:605 Riser Offistel, 38 Jungbalsan-Ro 42 street, ilsandong-Gu
- Won Jin Chemical Corp.
- Address:945, BONGRIM-RI, SAENGRIM-MYEON
- Yujin E&T
- Address:Sambaek Crassiang No. 301 Jungang-daero 1805-6
- SAMHWA CORPORATION
- Address:207 Gurojungang-ro, Guro-gu, (Opus 1 Bldg. # 309)
- YC PLUS INC.
- Address:552-2 Dangsandong-3ga, Youngdeungpo-gu
- Tae Sung Tsc Co
- Address:# 261-8, Hakjang-Dong, Sasang-Ku
- Jung Jin INC.
- Address:143-50 Kasan-dong
- SEJIN SM Co., Ltd.
- Address:D-504 Bundang Techno Park 151 Yatap-dong Bundang-gu
- K one material
- Address:
- Coesam Plastics
- Address:Seojin BD 5F, 927-2, Bangbae 1-dong, Seocho-gu, Seoul, Korea
- Chemocean
- Address:Dowha Dong
- WOOSHIN CHEMTECH Co.,LTD.
- Address:4 / 5F, Daeyeong B / D, 69-7, Taepyeongno 2-Ga