1.High quality 2.Ten years production and export experience. 3.Fast packing polyurethane sandwich panel Polyurethane Sandwich Panel also called PU Sandwich Panel, the up & down surface of this panel is Galvanized & Prepainted steel sheets, core material is 5 components Polyurethane glue, it is formed by heating, foaming & laminating. Polyurethane is the best material for temperature keeping and ...
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