Olefins Trade Corporation Provided TOA conference system to SAIC Institute of Management & Technology, Mirpur Dhaka, TOA Brand Confarence System,Auditorium Sound Sysytem, Model: TS-770, TS-771& TS-774, TS-772 &TS-774, A-2060, A2240, DM-1200, WS-5225, WS-5325, WZ-5265, TS-206, TZ-606.