Purchase Qty. Reference FOB Price
50-99 Square Meters US$150.00
100+ Square Meters US$100.00
Product Description
performance description 1:The flame resistance level reaches level A, which has improved the overall fireproof performance pf steel buildings, 2:the two edges of the tongue-and-groove are filled with polyurethane foams, which effectively stop heat conduction and rain leakage prevents the ...