... ,drawing room door,inter room doors,composite interior door Features:interior door,wooden door,solidwood room ... . High-quality raw materials:hardwood, FIR core,tubularchipboard,honeycomb,laminated fir,MDF board with wood veneer surface. We can make ... .2)Door structure:Rails/Stiles: Finger joint hardwood or softwoodCore: laminated fir, chipboard, tubular chipboard, wood strip, honeycomb, hollow, etc. ...