... ,oak,walnut,teak,mahogany,cherry,ebnoy,beech,maple,pine,etc.2)Door structure:Rails/Stiles: Finger joint hardwood or ... fir, chipboard, tubular chipboard, wood strip, honeycomb, hollow, etc.Door skin: MDF, HDF, or plywood+Natural veneer, engineered veneer ... per customers's requests6)Hardware:lock,hinge,door viewer,rubber sealer.etc7.Technique:agglutination,carving,hand crafting,polishing,painting ...