Purchase Qty. Reference FOB Price
500-3,499 Square Meters US$1.08
3,500+ Square Meters US$1.00
Product Description
PU sandwich wall panel: 1) Structure: It consists of three layers: The top layer is aluminum zinc-coated metal board, the core material is polyurethane foaming, and the last layer is glass fiber paper. The three layers are formed together by robot equipment, which is different from other similar ...