Since 1998
THE ASSOCIATION OF RRR CONSTRUCTION SYSTEM
Mr. Yukihiko TAMURA
5-6-9 Lidabashi Chiyoda-ku Minato-ku, Tokyo 107-0052 JAPAN
TEL: 81 3 3589 6163 FAX: 81 3 5276 5309 EMAIL: y_tamura@igi.co.jp WEB SITE: www.rrr-sys.ab.psiweb.com/english/E_RRR.html