English 
The perforated metal is the metal sheet through punching and pressing to create different patterns on themetal sheet. There are multiple patterns of the perforated metal. The raw material of the perforated metal is stainless steel, aluminum, carbon steel, galvanized steel and copper and etc,. And the hole size and the sheet size can be customized. Normally the sheet size is 4ftx8ft.
Heat dissipation components made from round staggered perforated metal play a crucial role in thermal control dissipatingHeat dissipation:Components made of perforated metal sheet play an important role in thermal control, dissipating heat in cooling systems, hot air ventilators, or complex heating