Smokeless fireworks / UAV

In traditional Chinese festivals, such as spring festival, new marriage, housewarming and company opening, we often set off fireworks to celebrate. But fire and explosion caused by fireworks resulting in casualties and property losses.The UAV uses holographic projection technology, which is also known as virtual imaging technology. It is a technique for recording and reproducing real three-dimensional images of an object using interference and diffraction principles. The unmanned aerial vehicle has certain economy.