12mm Polycarbonate Multiwall Sheet Clear Triple Wall Polycarbonate Panel DESCRIPTION Shenghang Plastic Triple walled polycarbonate has 40% more insulation value than single pane glass, with nearly equal ... Đọc thêm
UV Resistance Multiwall PC Hollow Sheet Five Walls Polycarbonate Sheet DESCRIPTION SHENGHANG PLASTIC Five Walls Polycarbonate Hollow Sheet is a new generation of multi-wall energy-saving products specially ... Đọc thêm
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