1.Plain,flat design 2.Pure wood grain appearance 3.No bending or crack 4.Magnetic lock,intelligent lock 5.GQT,3A certificate 1. Door can be made into usage for interior or for exterior: a)Engineered solid wooden door for interior, will not bend or crack but can not be soaked in water.Door structure: fir wood core, natural hardwood surrounded in the lipping, tongue and groove glued together under ...