CLASSBOOK PTE. LTD. is a Singapore company.
TRIVELIS, 311C CLEMENTI AVENUE 4, Postal 123311, #39-189
TAGORE 8, 421 TAGORE INDUSTRIAL AVENUE, Postal 787805, #01-09
, 39 WOODLANDS CLOSE, Postal 737856, #05-56
INTERNATIONAL PLAZA, 10 ANSON ROAD, Postal 079903, #27-16
20 EMERALD HILL ROAD, Postal 229302
126B CANBERRA STREET, Postal 752126, #04-791
FORUM, 583 ORCHARD ROAD, Postal 238884, #08-04
119 MARSILING RISE, Postal 730119, #07-126
255 BUKIT BATOK EAST AVENUE 4, Postal 650255, #01-241
TAMPINES GREENLACE, 870A TAMPINES STREET 86, Postal 521870, #13-04