Used in: decoration, the outer cover of equipments. Rhombus Hole construction, decoration, expressway guardrail Hongxin supply perforated material in three basic forms. They are sheet, coil, and tube.The most common form of perforated material because of its versatility and ease inhandling, perforated sheets can be supplied either as flat, fabricated, and/or finishedproduct.Perforated Metal ...