Hole type : through hole, vertical through hole, conical through hole (loud-speaker type), center step through hole or edge step  parts
chemical etching technology index:
1. the smallest size: round hole 0.1mm, rectangular hole 0.15mm, smallest 0.02mm (interval)
2. largest area of processing: 580 * 750
3. processing plate thickness: 2MM - 0.05MM (especially suitable for below 0.5mm of the foil board).
4. Graphic positioning accuracy: ± 0.01mm

copper micro hole perforated metal usage : widely used in petroleum, chemical industry, food, fruit juice machine mesh, soya-bean milk machine mesh, sophisticated filters for medicine, filter plates, filter cartridges, filters; electricity industry use metal plate leakage, flat, flat pin, Lead frame; optical precision machinery and plane parts, spring parts, mobile phone parts