- Shinsung International Co.
- Address:KUMHO-DONG 2-GA SONGDONG-GU,Geumho-dong 2-ga ,Seongdong-gu
- Ducksan
- Address:Opo Munhyungri 745-3
- Sung-A Steel
- Address:Rm309, 3-Ba SI-Hwa industrial complex Jeongwang-dong,
- vancraft
- Address:Mazhangmian
- Korea Metals LTD
- Address:Da-2218, Chungang Cir.1285
- IL-DONG Wire Cloth Co.
- Address:224, Seondong-ri, Choweol-myeon
- Korea Alida Mesh Filter Ltd
- Address:No2 Industry Housing, 643-10, Youngtan-Dong, Chungju-SI,
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