Projector, Projection Screen, Curved Frame Projection Screen manufacturer / supplier in China, offering Educational Laser Long Throw 1080P 4K 3LCD Video Projector 7200 Lumen Used for Outdoor Classroom, 4800 ANSI Lumens Laser+3LCD Large Outdoor Scale Mapping Projection Usage Full HD 3D 4K Cinema Projector, Real 4800 Lumens 3840*2160 Factory ODM 4K Laser Projector, Laser 4K Projector, Short Throw Laser Projector and so on.