- SANJEON CORPORATION
- Address:#408, Woosung Character Ville, Dogok-dong, Gangnam-gu
- Myo-Coland Co., Std.
- Address:629-1 Gasan-ri,Sisan-ri ,Hallim-myeon ,Gimhae-si
- PAPERCOREA
- Address:12F ShinhanDM Bldg. , 25, Mapo-gu
- NSPI
- Address:723, Posvill, Gumi-dong, Bundang-gu
- HAGASOMO Co.,Ltd
- Address:1F, 1345-1, Gonghang-dong, Gangseo-gu
- Samwha Paper Co., Ltd.
- Address:10th Fl. Samwha Bldg.,112-44 Sogong-Dong, Jung-Gu
- Kwangmyung Abrasive Co., Ltd.
- Address:221, SOJU-RI, WOONGSANG-EUP, YANGSAN-SHI
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