http://www.hwa-jin.com
GST Co LTD (Hwa-jin)
Welded Metal Bellows
Microwave Plasma
http://kunsaninnopolis.com
SAFEGUARDER
https://www.dsafety.co.kr/
Solar power system
Samjin energy
http://www.greenent.kr/index.php
Solar panels
GREENENT
Kukmin Electric Co., Ltd.
