High strength stainless steel honeycomb core can be used in ventilation, heat dissipation and filtration equipment, shielded waveguide window, water treatment and filtration, laser cutting machine platform, wind tunnel, water tunnel and so on. It can also do various surface treatments, such as nickel, cadmium, tin, etc. any non-standard size can also be customized. Shapes include rectangle, square, circle, diamond, polygon, etc.