-  Project : Government Conference Hall -  Location : Hanoi -  Investor : Government’s office management department -  Items : Constructing SONY SX – 600 -  the conference system ( the first conference system in Vietnam) and the wireless interpretation system 300 inch SONY – VHP 1270 QM projectors CCTV system Light electric cable system -  Time : 1993 - 1994 -  Project...