1. Galvanized steel Perforated metal sheet 2. light weight,skid prevention and artistic 3. Low price and high quality Galvanized steel Perforated metal sheet1. Material:plain steel sheet,galvanized steel sheet,stainless steel sheet,copper sheet, brass sheet,aluminum.2. Punched openings: round, square, triangle, diamond, hexagonal, cross, etc. The round hole perforation is the most popular type of ...