- SUNIL INSTRUMENT CO., LTD.
- Address:# 208-28, Sinho-Dong, Gangseo-Gu
- HISCO Sensor Institute Inc.
- Address:#922, Centerplus, 3-4, Gyeongin-Ro82Gil
- AKORM Corporation
- Address:Samcheondong 1Ga 651-2 Wansangu
- SEUNGIL Electronics Co., Ltd
- Address:16-8, Dodang-Dong, Wonmi-Gu
- DUON SYSTEM CO., LTD.
- Address:# 60-31, Gasan-dong,
- Wise Sensor Inc.
- Address:199,Sanggal-ri ,Giheung-eup ,Yongin-si
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