Bangkok Head Office

106 Ramkhamhaeng Road, Soi 8, Hua-mak, Bangkapi,
Bangkok 10240, Thailand
Office hour:
Monday to Friday 08:00 - 17:00,
Saturday 08:00 - 12:00.
Phone: +66 2 314 5021
Fax: +66 2 318 2447
E-mail: boonma@boonma.com

Northern Regional Office (Chiang Mai Branch)

199/1 Mahidol Road, T. Haiya,
A.Muang, Chiang Mai 50100
Office hour:
Monday to Friday 08:00 - 17:00,
Saturday 08:00 - 12:00.
Phone: +66 53 282 577
Fax: +66 53 271 830
E-mail: boonma@boonmachiangmai.com