- Pia Industrco.,Ltd.
- Address:TaeSaeng 6-ri ,Daeso-myeon ,Eumseong-gun
- Jisico Co., Ltd.
- Address:JISICO BLDG., 301-1, 2Ka Sungsu-Dong, Sungdong-Gu, Seoul, Korea
- Mirae Ceratec Co.,Ltd
- Address:559-1, Hadae-ri,Cheongha-myeon ,Buk-gu, Pohang-si
- GT SCIEN
- Address:
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