- YOU-ONE Fastening Systems
- Address:# 825, Lakeheim, 1332 Baiksuk-Dong, Ilsandong-Gu
- Sun and Shield International,ltd.
- Address:Sindorim 1st Prugio 104-1007, Sindorim 337 Guro-Gu
- Su Ji
- Address:25-8, Ssangnim-dong, Jung-gu
- Kumlyun Industry
- Address:# 59-115, 410 Seongbong-ro, Heungdukgu
- TAE SUNG MACHINERY CO., LTD.
- Address:3 Na 303, Jeongwang Dong
- Jisan Heavy Industry Co., Ltd.
- Address:150-1noosa-Dong,
- Ideal System Co., Ltd.
- Address:358-14 ,Galsan-dong ,Dalseo-gu
- FG Trading Co.,Ltd
- Address:# 202 Bell Tower, 1588-8 Seocho, Seocho
- Maru Corp.
- Address:Ssang-Ho Bldg. , Rm# 107, 1812 Bisan-7 Dong
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