Contact Us
PT. Graha Teknologi Nusantara (GTN)
(Sales Office)
Lippo Kuningan Building, 17th Floor
Jl. HR. Rasuna Said Kav. B12
Jakarta 12940, Indonesia
(Operation Center)
Jl. Mataram No. 6A- 6B, Lippo Cikarang
Cikarang Selatan, Cibatu
Bekasi 17530