- Msky Co.,Ltd.
- Address:216-2,Dugu-dong ,Geumjeong-gu
- Ionesystem
- Address:Unit 1105, Nokwontopia, 302-5 Haan-dong
- Dong Bang Electric Industry Co.,Ltd.
- Address:396-2,Mongnae-dong ,Danwon-gu, Ansan-si
- Hee Corporation
- Address:1589-5,Seocho 3-dong ,Seocho-gu
- Samhae Enterprise
- Address:Byucksan 2-904,#616-4 Jurye 3dong,Sasang-gu,Busan,Korea
- HANSEUNG ELECTRONIC IND CORP
- Address:304 ACE TECHNO TOWER2 197-7 GURO-DONG GURO-GU
- Hyoshin Mechatronics Co.,Ltd
- Address:305, Y-Zenith Park, 95-2, Dodang-dong ,Wonmi-gu, Bucheon-si
- DAEHAN SENOSR CO., LTD.
- Address:94-2 Yongdap-dong,
- Dong Kwang Special Metals
- Address:Gokang-dong
- Dong Hyun Hi-Tech Co.,Ltd.
- Address:501, Sampoong Plaza 474
- Dukshin Corp., Ltd.
- Address:No. 682, Gojan-Dong
- HANLA LEVEL Co., Ltd.
- Address:1610-5, Songjeong-Dong, Gangeo-Gu, Busan Korea
- S&S INC
- Address:265-13, Suchon-Ri, Jangan-Myon
- ONLINE Electronic lock Co.,Ltd
- Address:100-22 Youngun-Dong Sangdang-Gu
- Aoc Co., Ltd.
- Address:104B-12L, Namdong I/C, 652-11, Gojan-dong, Namdong-gu
- Chang Shin Electronics Co., Ltd.
- Address:Rm. 207, Block B, Sk Twin Tech Tower, No. 345-9, Gasan-Dong, Geumcheon-Gu
- JW Trading
- Address:No. 305, Y-Zenith Park 95-2, Dodang-Dong, Wonmi-Gu
- KUNHUNG ELECTRIC CO., LTD.
- Address:113-4 Jangan-dong Dongdaemun-gu
- See Young Electori Co.,Ltd.
- Address:18-18,Sanbon-dong ,Gunpo-si
- DAEHWA ENGINEERING SENSOR
- Address:15-223, Busan industrial supplies market