The materials of hollow board are: aluminum, acrylic, density board, etc. Among them, hollow plates with aluminum as the main raw material are the most widely used:

(1) aluminum mesh veneer: aluminum mesh veneer is a new type of mesh material, which is based on high-quality aluminum alloy plate, then shaped by numerical control bending and sprayed with decorative paint.

(2) Perforated aluminum plate: Perforated aluminum plate is a rectangular material with uniform thickness made of pure aluminum and aluminum alloy, with different perforation rate, aperture, plate thickness and plate type.