HOTLINE SERVICE
Phone: +62 21 293 15 470 (Hunting)
Mobile: +62 811 88 2080 / +62 819 88 2080
Email: secretariat@geoconvex.com
SECRETARIAT EX-OFFICIO
Global Echo Organizer convex
NAYA Kemang Selatan Kav. 15
Jl. Madrasah Raya No 11 G-H, Kemang Ampera,
Jakarta Selatan, 12560 · INDONESIA
Telepon. +62 21 293 15 470 (Hunting), Fax. +62 21 293 15 471
Mobile. +62 811 88 2080 , +62 819 88 2080
Website. www.geoconvex.com