... sheet metal Minimum diameter 0.3mm Manufacturer for 10 years Perforated and punched metal sheets Perforated sheet metalIn our factory, Perforated sheet metal ... be made to your specific requirements.ApplicationPerforated sheet metal can be extensively used to civil construction ... , Aluminum, Brass, nickel sheets, ect.Available shapePerforated sheet metal can be Round, square, long round, triangle, scale ...