... 2.CE,ISO9000,National Invention Patent Mosaic fixed trivision display 1.Full set digital control equipment2.Maintenance ... CE,ISO9000,National Invention Patent Mosaic fixed trivision display ,tri-vision display,trivision billboard, trivision board The specification: External frame: ... years, collects merits of all manufacturers.B Honghai trivision display composes of divers of triangular prisms made by ...