Japan Tunnelling Association

Mr. Shigeru Kikukawa, President
Tsukiji MK Bldg., 6th Floor
11-26, Tsukiji 2-chome, Chuo-ku
Tokyo 104-0045
Japan

 

Tel: +81 3 3524 1755
Fax: +81 3 5148 3655
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
web: www.japan-tunnel.org/en/

 

JTA - Japan Tunnelling Association