MDF-Medium Density Fiberboard at Size 4ft*8ft(1220*2440mm) In Best Quality, Both E1 and E2 Grade, Poplar or Pine Core, Light brown or Normal Brown Color are available here in Dawn Forests Wood Industrial Shouguang Co., Ltd. The specifications & Thickness available in DFW Co., Ltd. are 2mm, 2.2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 9mm, 11mm, 12mm, 15mm, 16mm, 17mm, 18mm, 20mm, 22mm, 25mm, 30mm.. Standard applicable: GB/T 11718-1999 and GB 18580-2001