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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

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

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