1 Heatec Jietong Holdings has secured three new contracts for its heat exchanger business worth about $4 million. Heat exchangers are widely used in industry.

2 Lian Beng Construction, a unit of Lian Beng Group, has won a contract worth about $162 million to build a condominium comprising two 30-storey blocks in Martin Place.

3 Singapore Post bought back 200,000 shares at $1.245 apiece for a total of $249,320.

4 Roxy-Pacific Holdings' associate company, RH Guillemard, is acquiring freehold residential sites at 12 Guillemard Lane and 14 Guillemard Lane for a total of $22.5 million.

5 Keong Hong Holdings has issued $85 million of 5.75 per cent notes due 2021.