GRAND CHINA HOTEL  (GROUND FLOOR), 
YAOWARACH ROAD, SAMPANTHAWONG,
BANGKOK 10100 THAILAND

TEL : 66 2685 4441
FAX : 66 2685 4442
LINE ID : madd.co.th
E-MAIL : customerservice@madd.co.th

WORKING HOUR : MONDAY – FRIDAY ( 09:30 A.M. – 06:30 P.M. )