... . Easy installation4. Optional colors for sheetsFeatures:1. core material: polyurethane (PU)2. upper and bottom steel sheets:3. material: ... house, cold storage etcAbout Baoye: Chengdu Baoye Metal Products Co., Ltd is an integrated enterprise of design, production, sales and construction ... detailed requirements, including the material, specification, quantity you need. Polyurethane (PU) Sandwich Panel