362 Upper Paya Lebar Road #05-09 Da Jin Factory Building Singapore 534963
+65-6289-5543
+65-6283-8442
Yew Lian Seng Marketing Services Pte Ltd
5067 Ang Mo Kio Ind Pk 2 #01-1477 Singapore 569570
+65-6481-5660
+65-6481-5992
5047 Ang Mo Kio Ind Pk 2 #01-595 Singapore 569550
+65-6484-5055
+65-6484-5155