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The steel perforated panel & grating panel made by 100% steel no cement inside. For the job site where need ventilation, it can use perforated panel to install directly instead of solid floor, and construction is very convenient. The panel could use damper to control air flow and ventilation amount.
After impact ventilation holes on top and bottom plates, the panel inside is hollow, panel loading ability is weaken. For empty body of perforated panel, add reticulated ribs to increase the strength. For the place have high loading request, we specially designed the manual welded perforated panel, the loading capacity has middle and heavy duty choice.
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