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A3-Three-pass screen window
New environmental protection window frame material (PPA) anti-haze screen window / screen door (A series)
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A1-Flat Screen Window
New environmental protection window frame material (PPA) anti-haze screen window / screen door (A series)
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A2 convex paste-type screen window
New environmental protection window frame material (PPA) anti-haze screen window / screen door (A series)