English 
Round Perforated metal is manufactured by using punches or presses to create a series of holes, slots, bars or decorative patterns in sheet. It has countless applications and can be easily custom manufactured according to requirements.
We almost have all the moulds of round perforated metal.
Perforation (inch) | Type centers | Holes PSI | Open rate |
| .020 | straight | 825 | 30% |
| .020 | staggered | 625 | 23% |
| .023 | straight | 576 | 24% |
| .023 | staggered | 400 | 18% |
| .... | ..... | .... | ...... |
| .156 | 3/8'' | staggered | 15% |
| .172 | 1/4'' | staggered | 43% |
| .172 | 3/8'' | staggered | 19% |
| .180 | 9/32'' | staggered | 35% |
| .... | .... | .... | .... |
| .875 | 1-1/8'' | staggered | 50% |
| 1.0 | 1-1/4'' | staggered | 58% |
| 1.0 | 1-3/8'' | staggered | 48% |
Perforated metal products has countless applications, mainly contains:
- Filtration: acoustical enclosures and lighting fixtures.
- Architecture: home appliances, electronic enclosures, farm equipments, pharmaceutical and store displays & fixtures
- Speaker grilles
- Grain dryers
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