Medan :
Jl. Hayam Wuruk No. 60, Medan - Sumatera Utara 20152. Telp. (061) 42001718. HP/WhatsApp : 0813 8952 6718

Jakarta :
Sedayu Square Blok I, No. 8 Outer Ringroad Cengkareng, Jakarta Barat - DKI Jakarta 11730. Telp. (021) 52391131

WhatsApp : 0813 8952 6718
Website : www.gmi-group.co.id
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Jam Kantor : 
Senin - Jumat : 09.00 - 17.00 WIB
Sabtu : 09.00 - 15.00 WIB
Minggu dan Hari Nasional Libur