390 Havelock Road #03-05 KING'S CENTRE Singapore 169662
+65-6733-6066
+65-6733-6566
1 Queensway #03-07 QUEENSWAY TOWER Singapore 149053
+65-6474-5677
+65-6479-0918
Diethelm Keller Property & Investment Pte. Ltd.
34 Boon Leat Terrace #04-00 Singapore 119866
+65-6471-1466
+65-6474-9225