Hollow Structure Plastic Apvc Twin Wall Roofing Sheets Soundproof Roof Panels The hollow structure provide super heat insulation for workshop, private...
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...thickness: 1). thickness: 4mm, 6mm, 8mm, , 12mm, etc. 2). Triple- thickness: 8mm, ,...
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... 6mm 8mm four PC hollow Features of Products: 1. Light Transmission: the light transmission reaches 12...
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