Materials: stainless steel, aluminum, hot and cold steel, copper, PVC film board,etc.. Hole patterns: long hole, round hole, square hole, triangle hole, scale hole, bridge hole, diamond hole, pentagonal hole, hexagonal hole, horoscopes hole, cross hole, nail hole, plum hole and other special-shaped holes. Specifications are complete. Circular hole:(the smallest diameter is ¢ 0.2mm) plum 60 ° arrangement. Commonly used in: machine sieves,speaker grilles and silencers, filters and other equipments. Triangular hole:cross arrangement.Commonly used in: decoration, shells of equipments and so on. Diamond hole: derangement. Commonly used in: construction, decoration, highway guardrail and other projects. Hexagonal hole: cross derangement. Commonly used in: decoration, pharmaceutical and chemical equipments. Square hole: holes in a row. Commonly used in: decoration, equipment enclosures,store shelves,wall hooks and so on. Specifications: 1. Coil thickness: 0.2mm-1mm, length:20m. 2. Aperture: 0.8mm-100mm. 3. Thickness: 0.3mm-10mm(length, width ≤3m * 5m). Uses: Perforated plates are widely used as environmental noise control barriers in the highway, railway, subway and other transportation facilities objects and sound-absorbing panels for walls, generator rooms, factory buildings and other noise sources.Perforated plates can also be used as decorated plates of building stairs, balconies, environmental tables and chairs,mechanical equipments, protective covers, ornate speaker grilles, mining screens,fruit baskets, food covers, fruit utensils and other kitchen utensils,etc..