Head Office DIRECTION Location Address KNJ B/D 49, Goraedeul-gil, Uiwang-city, Gyeonggi-Do Contact Us TEL : +82)31-451-7082 ㅣ FAX : +82)31-459-7321 ㅣ E-mail : knj@knj-eng.co.kr
Laboratory DIRECTION Location Address 5F Daehyeon Techno, 179 Ojeongongeop-gil, Uiwang-city, Gyeonggi-Do Contact Us TEL : +82)31-451-7082 ㅣ FAX : +82)31-459-7321 ㅣ E-mail : knj@knj-eng.co.kr