Why punching net pass more and more?

Why punching net pass more and more? On this issue we take a look in the end what is now punching network hole bar, rectangular hole, square hole, diamond hole, round hole, a long hole, hexagonal hole, cross hole, triangle hole, a long waist hole, plum blossom hole, scale hole pattern hole net character, word hole, five-pointed star-shaped hole, irregular holes, from the dark hole, hole, louver hole, then how just a few years there will be so porous it, in fact, He is saying the application.
In fact, when a metal mesh is mainly used in the production of railways, highways and other transportation facilities to carry out environmental noise, sound-absorbing panels made later applied in the factory and so on, of course, many times we can see on the host computer mesh, of course, this role is to heat, more recently metal mesh used in decoration, with decorations such as home improvement, etc., people enjoy requirement led to a lot of metal mesh pass to meet the needs of the market.

Qualification certificate