Building the proposed secondary offering for the projector, size of the University of Economics Ho Chi Minh City. _ the first is to find out the situation of the quality of the projector. And review considered the company's product will phỳ with the facilities of the school._ will next discuss the price will have the incentive or discount for the school ... As well as to bring to market the best warranty. Guide the maintenance processes for school personnel_ proposed promotion will support the school instead of staging new projectors after 5 to 7 years and free installation costs
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