... Plywood 1>thickness: 10-30mm 2>Usage: train internal structure,working platform, stages etc. 3>Certificate: ISO9001,SGS Face&Back: beechCore: Tropical ... or as requestThickness: 10mm~30mmGlue: WBP,PhenolicUsage: train internal structure,working platform, stages etc.Certificate: ISO9001:2008,SGS This kind of product ...