- Jin Woo Hi-Tech Co.,Ltd.
- Address:1557-7,Seocho-dong ,Seocho-gu
- trade associations Gimhae
- Address:Trade tower
- JH International Co., Ltd.
- Address:2f. Chungwoogigong Bldg. , 51 Palgok 2-Dong, Sangrok-Gu
- CERACOMB CO.,LTD
- Address:312-26, Deuksan Dong
- Ecopro Co., Ltd.
- Address:316-3,Yangcheong-ri ,Ochang-myeon ,Cheongwon-gun
- Ant21 Co., Ltd.
- Address:Rm513 Miguntechnoworld,Yongsan-dong ,Yuseong-gu
- HAN A MULSAN CO.,ltd
- Address:GLORIA PLAZA, 967-3, HWAJUNG-DONG, DUKYANG-KU
- SAEWOO STEEL Co.,Ltd
- Address:473-2 weoljean li gumgumyon
- E&B Korea Co., Ltd.
- Address:Yongsan-dong,Yongsan-dong ,Yuseong-gu
- PureSphere Co., Ltd.
- Address:545 Yongsan-dong
- Dastech. Inc.
- Address:Yeoksam 1-dong ,Gangnam-gu
- BAUMAN CO.,LTD
- Address: