5 Defu Lane 9 DEFU INDUSTRIAL ESTATE Singapore 539247
+65-6287-0739
+65-6287-2428
Hong Seng & Company (Private) Limited
3 Defu Lane 9 DEFU INDUSTRIAL PARK B Singapore 539245
+65-6748-6690
+65-6284-9846
Chee Seng Oil Factory (Private) Limited
1 Defu Lane 9 DEFU INDUSTRIAL ESTATE Singapore 539243
+65-6284-1062
+65-6280-8982