- Jung Ho Silup Co., Ltd.
- Address:560,Jaesong 1-dong ,Haeundae-gu
- Leti Co., Ltd.
- Address:4f, Shilla Techno Vil, 39-3 Dang-dong, Kunpo-shi, Kyunggi-do
- TMS-Global Co., Ltd.
- Address:Dangsandong 5 GA
- L-tech corporation
- Address:
- DONG SHIN CHEMICAL CO.
- Address:241-1 Sachang-ri, Guemwang-eup,
- Ducksunghitech
- Address:DAE SUNG BLDG., NO. 679-30, JAYANG-DONG. KWANGJIN-KU.
- Korea Labeler
- Address:Kola B / D# 301, 92-4, Dangsan-Dong 4, Youngdeungpo
- A-JU INDUSTRIAL CO., LTD.
- Address:662-11, Sunggok-Dong
- Won Jan Pooreme
- Address:148B-13L,Gojan-dong ,Namdong-gu
- V AND V INC
- Address:Samsung-Dong
- Morris Pen Corporation
- Address:952 dowha-dong,nam-gu,incheon-si
- Shinwon P&F
- Address:265-7 Yangjea-Dong, Seocho-Gu
- ROYAL PACK CORPORATION
- Address:503-503, Mulpremaeul, Humansia, Cheongdeok-dong, Giheung-gu,
- Ducksung Hitech Co., Ltd.
- Address:1,Seokchon-dong ,Songpa-gu
- HIS INDUSTRIES Co., Ltd.
- Address:# 931-26, Bang Bae, Seocho
- GST(Guhsung Precision Co.,Ltd.)
- Address:411, Daewoo technopia, 296 Sandan-Ro, Danwon-Gu
- DAEJIN CHEMICAL
- Address:263-1 Bangsan-dong,
- WON IL CO.
- Address:988-13, Siheung-dong, Geumchun-gu
- GoodSeal Inc
- Address:214-22, Duckwoo-ri, Paltan-myeon,
- KYUNG SUNG ENTERPRISE COMPANY
- Address:# 230-34 Mok-2-Dong Yangcheon-Ku