... your reference: Specifications of our Gypsum Boards:Standard, Moisture-resistant, Fire-proof, Water-proofThicknesses: 6.4mm,6.5mm, 7.0mm, 7 ... .61/M2 FOB Qingdao 1600 M2 per 20ft Container c. Fire-proof Gypsum Boards 9mm: US$1.04/M2 FOB Qingdao ...