Cold fireworks are fireworks products. Cold fireworks is a kind of metal powder with low ignition point, which belongs to stage and wedding supplies. Mainly used for large fireworks parties, wedding celebrations and stage modeling. The quality of cold fireworks depends largely on raw materials. When the high-quality cold fireworks are set off, the flowers are silvery white, with little slag and almost no residue, and the smell is light. When inferior cold fireworks are set off, the flowers are red, there are many slags, and the smell of blocky substances is heavy. Cold fireworks are inflammable and explosive dangerous goods. When they are detonated, the temperature of the nozzle can reach 700 to 800 degrees Celsius. At this time, as long as you get close enough, you will burn people and even burn your clothes. Therefore, attention should be paid to safety when using cold fireworks.