Perforated metal sheet have good practicality and its aesthetic characteristics and have different USES in industry, architecture and design. 1. The top wall of the building object can be used for the ceiling, filter plate and cavity plate. 2. Used for building balconies, environmental tables and chairs. 3. Protective cover plate, punch net and round hole plate for mechanical equipment 4. Used for grain, feed sieve plate, sieve sheet, microporous plate. 5. Used for the shelf mesh decoration of the shopping mall display table hole plate, porous plate, perforated plate.