... in China.1.Standard hard boardSizes:1000*2000,1220*1830,1220*2440Normal thickness:2.0mm,2.3mm,2.5mm ... .2mm.Length:1800 to 2500; Width:1000 to 1220; thickness:2.0mm to 5.0mm.Advantage:non- ... formaldehyde.2.Cement hard boardSizes:1000*2000,1220*1830,1220*2440Normal thickness:2.0mm,2.3mm,2.5mm ... ;better strength.3.Embossment hard boardSizes:1000*2000,1220*1830,1220*2440Normal thickness:2.0mm,2.3mm,2.5mm ...