The new compound choi steel plate

‍‍After choi steel plate on both sides of 0.5-0.6 mm thick color steel plate, to around 0.8 mm galvanized sheet molding steel sealing side, the core material and skeleton through quality environmental protection a two-component adhesive glue compound by the pressurized solidification. Core material with rock wool, paper, aluminum honeycomb and gypsum board.‍‍