Infrared ray is an electromagnetic wave with a wavelength between microwave and visible light. It has the same essence as radio wave and visible light. Its wavelength is between 770 nm and 1 mm, and it is located outside the red light in spectrum.

There are various traditional industrial cleaning methods, but most of them use chemical agents and mechanical methods for cleaning.As China's environmental protection laws and regulations are more and more strict, people's awareness of environmental protection and safety is increasingly enhanced, how to find a cleaner, and non-damaging cleaning way has become a problem we have to consider.And laser cleaning has no grinding, no contact, no thermal effect and suitable for all kinds of material objects cleaning characteristics, is considered to be the most reliable, the most effective solution.At the same time, laser cleaning can solve the problems that cannot be solved by traditional cleaning methods.