- ChemiTec Korea Inc.
- Address:2ndF 190 NAE-DONG
- Kumsoo Filter Co.
- Address:#1383,302 Sa2-dong, Sangrok-ku
- Chunha Corp.
- Address:KoreaSeoul 2F 814 Shihung-Dong, Kumchun-Gu
- Toplas Co.,Ltd
- Address:377-3,Sari-ri ,Daechang-myeon ,Yeongcheon-si
- Ilchoo Corporation.
- Address:Room 1107 Hyundai 41 Tower 917-9, Mok 1-Dong, Yangchen-Ku
- DMT Partners
- Address:
- Kunsul Plastic Pipe
- Address:Seocho-dong, Seocho-gu
- Hyundai Glovis
- Address:826-20
- FS CORE CO.,LTD.
- Address:suite# 1204, dukeobi b / d, 707-1, yeoksam-dong, gangnam-gu
- New Star Coporation
- Address:RM. 303, 376-13, HAPJEONG-DONG, MAPO-GU,
- Sang Won Precision Industry
- Address:75-8,Mora 3-dong ,Sasang-gu
- DOW POLYMERLAND CORP.
- Address:Suite 708. Geobooki Bldg. , 98-7 Garak-Dong, Songpa-Ku,
- AFC Co., Ltd.
- Address:519-54, Saengnim-daero, Saengnim-myeon
- Daewoo International Corp
- Address:
- LG Chem PVC Div.
- Address:LG Twin Towers, 20 Yeouidoding, Yeongdeungpogu
- LB Corporation
- Address:302-1702 Hyundai I Park, # 816, Chang-Dong, Dobong-Gu
- TOVIC TIRE CO.,LTD
- Address:6th Floor, Yuhwa B / D, # 425-26, Oncheon-Dong, Dongnae-Gu
- Korin Dae Chung Co., Ltd
- Address:Dae Yun 3dong
- Picodrim
- Address:1809-3
- LG Chem Co., Ltd
- Address:LG Twin Towers, 20, Yeouido-Doing, Yeongdeungpo-Gu