Two adjoining plots of land - 1 and 3 Jalan Lembah Kallang - are up for sale with a guide price of S$8.5 million each or S$17 million for both, sole marketing agent Savills Singapore said on Monday. No 1 is a detached factory, comprising a three-storey front office building with a single-storey rear workshop. It has a total gross floor area (GFA) of about 6,000 square feet (sq ft) and land area of 8,475...