Streetdirectory.com Hean Thuan Toh Tong is located within Tampines, Singapore.s largest residential district for HDB flat and condominiums. Within Tampines Central, there are two major shopping malls i.e Tampines Mall and Century Square. Both shopping malls caters to all members of the family with shops ranging from supermarket (NTUC Fairprice), department store (Isetan), home furnishing stores, electrical supplies, telecommunication stores (Starhub) and boutiques. The CPF Building together with a number of banks i.e OCBC, DBS & UOB are also located here. The Tampines Sports Complex and Tampines Swimming Complex are popular places amongst sports enthusiasts. Singtel.s Telepark houses state of state-of-the-art data center close to the Tampines Wafer Fab.