CONTACT US

Location
 
Global Gem Testing Laboratory Co., Ltd.
1055/736 State tower 33rd floor,
Silom Road, Bangrak,
Bangkok, 10500, Thailand

Tel : (662) 236-2941
Fax : (662) 236-2942
Email: ggtlab@gmail.com

Office hours

Monday to Friday  9.00 AM - 5.00 PM
Closed on Saturday, Sunday and Public Holidays

Free car parking 4 hours at State Tower

8 minutes walk from BTS Saphan Taksin Station

Google map https://goo.gl/maps/g9112uc5wUHxjphC8