21 Tuas West Drive,
#05-01 Singapore, 638411
Phone : +65 6556 0711
Email : sales@gtk.com.sg
MON-FRI: 08:30 – 18:00
SAT-SUN & PH: CLOSED
3 Jalan Tiang U8/93 Seksyen U8,
Bukit Jelutong Industrial Park Shah Alam, Selangor, Malaysia, 40150
Phone : + 60 3 7848 8000
MON-FRI: 08:30 – 17:30