- Taihan Copper Tech Co.,Ltd
- Address:1080,Hwasan-ri ,Onsan-eup ,Ulju-gun
- Seoan Company
- Address:77-26, Seungduri, Gongdoeup,
- Woo Sung Electric Co.,Ltd.
- Address:290, Sam-ri, Silchon-myeon, Gwangju-si
- KISEONG CABLE, INC.
- Address:219 Jangpyeong-ro
- Hando Eiectronics Co,,Ltd
- Address:234. KUNNAE-MYON,Gunnae-myeon ,Pocheon-si
- Samhwa Non-ferrous Metal ind.co.,ltd.
- Address:779-9 Wonsi-Dong, Danwon-Gu
- Jus Weltech
- Address:Naeduk Jangyou 190-5
- DAE HAN LEAD MASTER CO.,LTD
- Address:3ba 801 Shihwa Complex Jungwang-dong
- Daeyoung E-tech Co., Ltd
- Address:P. O Box 812-1
- Bongshin Trading Co
- Address:
- AHSUNG TRADING CO.
- Address:913, Daerung Techno Town12, Gasan Digital Complex, 327-32, Gasan-dong
- B2K WIRE CO., LTD.
- Address:Sasang Ku
- Pungkuk Edm Wire Manufacturing Co.,Ltd
- Address:404-8,Seokgok-ri ,Jeondong-myeon ,Yeongi-gun
- JIN-HEUNG
- Address: