... ' requirement. ZRHH Mild steel perforated metal 1 Weaving and characteristics:Stamping ... , plastic coated), hot dip galvanized, electric galvanized, spray paint and so on ... hole, round hole, square hole, triangle hole, the scales hole, bridge type hole, lozenge hole, the hole, hexagonal hole, horoscope hole, the hole, nail hole, the plum blossom hole, herringbone hole, H hole and other shaped hole ...