Address - The head office : 185, ChungjuSandan 1-ro, Chungju-si, Chungbuk. Tel: 82-43-844-1331
                 Ansan : 165, Gwangdeok 3-ro, Danwon-gu, Ansan-si, Gyeonggi-do. Tel: 82-31-491-0375)

Website - www.tnp21.com

Tel - The head office : Tel (043)844-1331 / Fax (043)844-0880
         Ansan : Tel(031)491-0375 / Fax (031)491-8711