Frank Kämer
E-Mail: f.kraemer@tuba-ge.com >

Office Indonesia
PT Tuba Grun Energi
Talavera Office Park, Floor 28
JI.TB Simatupang Kav.22-26, Cilandak
Phone: +62 85946409120
E-Mail: b.asmara@tuba-ge.com
Website: www.tuba-ge.com