Surveillance, Fire Alarm and lab testing equipments

i need to find the supplier of Surveillance, Fire Alarm and lab testing equipments .
Surveillance System equipment:CCTV Colour Camera (1/3" Auto Iris Lens F=6mm, F=1.2-630); Colour Camera (1/3" Auto Lens F=1.2-630); DVR With Multiplexer (20 Channel 40GB Hard Disk)…
Fire Alarm System equipment:Smoke Detector With Base All Complete;
Heat Detector With Base All Complete; Main Fire Alarm Control Panel-28 Zone With Complete Access…
Lab Test And Equipment:Hi-Resolution Reber Locator; Concrete Rabound Hammer; Aquameter Moisture Detector…
any information would be highly appreciated.

You can find cameras and related stuff at Guanghua market (intersection of Xinsheng and Bade Rd., north of Zhongxiao Xinsheng MRT station). Don’t just look below the flyover but also the basement shops in the South-West corner (entrance just beside the small open space along Xinsheng Rd.).