Construction material Hole punching metal:Material: Galvanized Perforated, Aluminum sheet, Nickel Sheet, Copper sheet Tickness of plate: 0.1mm- 25mm Hole shape: Round, square, slot, hexagonal, diamond, triangle, etc Please inculding the following data in your enquiry, then our quotation will be followed. 1. The Material, 2. The tickness of the plate 3. The hole shape 4. The hole size 5. Pitch ( ...