Knowledge

Principle of computer programmed automatic ignition in large-scale musical fireworks Large-scale musical fireworks must be set off in accordance with

Fireworks handling fireworks transport license detailed process If you need to buy fireworks or to hold a large fireworks party, you need to handle fi

Explain in detail the accident of fireworks and the emergency disposal of duds The scene of the fireworks party, sometimes there will be unexpected sp

Fireworks display party fireworks products collocation (1) Silver crown, silver willow and colorful deciduous fireworks products are set off at the sa

Fireworks shell is an important product in fireworks products, A class of large-scale high-altitude fireworks. It is a modern fireworks technology and

First, fireworks storage safety management (1) The products in the warehouse should be graded, quantitative and classified. Each warehouse door sign s

Fireworks were developed on the basis of gunpowder. At first, it was a pastime for the nobility, the rich and the rich to compete for supremacy and lu

What are fireworks? As for the standard definition, it is expected that many people will not be able to say. According to the results of an expert dis

Individual fireworks height, time delay, noise, modeling the three-dimensional shape (air), color and other details, etc, are decided by the fireworks

The total usage scenarios are classified into three categories: stage, personal discharge and professional discharge. 1, stage class: we usually also

The shape of the fireworks are: spraying class, rotating class, lift-off class, spitting bead class, thread incense class, ground fireworks class, smo

Flame reaction of metals. The simple principle of the flame reaction is that the metal salt releases the energy produced by the combustion in the form