Water curtain: normal water curtain, bridge water curtain, Pull wire water curtain,projector water curtain ,swing water fountain,steel mesh water curtain, digital water curtain; different water curtain has different effect, for example the pure wire water curtain, water flows from top to bottom and the water won’t splash , like pearls falling flat;Digital water curtain screen use the electromagnetic valve to make high frequency switching and form various patterns,At the same time digital water curtain also can be the screen, it use the horizontal plane properties of micro particles as optical path carriers，then project the specially designed smooth and active streaming media on the carrier to form an image, bring a brand-new visual enjoyment, the water is uniform, the water falling range is small, and the pattern is very clear.