51 Ayer Rajah Crescent #04-16/17 Ayer Rajah Industrial Estate Singapore 139948
+65-6773-9331
+65-6774-3057
Bertda Services (Southeast Asia) Private Limited
3 Queen's Road #02-147 Singapore 260003
+65-6471-2155
+65-6471-3176
438A Alexandra Road #05-05/08 (Lobby 2) Alexandra Technopark Singapore 119967
+65-6835-3011
+65-6835-2711