Shandong Zhongnuo Plate Co.,Ltd, with productive and professional factory, is one of the leading China pu sandwich panel suppliers and manufacturers, if you are looking for cheap or lowest pu sandwich panel, please feel free to contact us. Anti leakage sandwich panels, polyurethane rigid foam insulation board, polyurethane composite board, PU board, is a popular saying that the polyurethane sandwich panel, strictly speaking, it should be the construction of polyurethane insulation sandwich panels www.zhongnuoplate.com