... Room Door for hotel 4.GQT,3A certificate Luxury Solid Wood Hotel Door DJ-S390 1. Hotel Door structure ... : solid fir wood door core, natural hardwood surrounded in the lipping, tongue and groove glued together under ... hardware " 7. Natual hardwood species: ash, sapeli, chempaka, Chinese cherry, black walnut, meranti, American cherry, makore, oak, maple, teak, mahogany, bubinga, ...