Taekwang Mechatronics - Maker of wheel alignment systems, wheel balancer systems, automatic tire changers, and exhaust gas analyzer equipment. In English and Korean. - http://www.camax.co.kr/
Hyundae Ki Gong Co., Ltd. - Manufactures various metal tubes. [Korean, English, Chinese, Japanese] - http://www.fintubeworld.com/
E-Kang Tech - Manufacturer of machines that make insulating glass. [Korean, English, Japanese, Chinese] - http://www.ekang.com/
Han Yang Engineering Corp. - Manufactures and exports industrial filters. [Korean, English] - http://www.hyfilter.com/
Hankook BEP Co., Ltd. - Maker of vehicle testing systems. [Korean, English] - http://www.hankookbep.co.kr/