... certificate custom design no warp in different temperature species:alder,okume,oak,sapele,teak.... ceilings *Specification:1)Optional Wood: Oak,Sapeli,Hemlock ... ,Pine,Eucalyptus,Alder,Mahogany,Walnut ,Okume etc. 2)Design: Can be ... checking by our experienced QC guarantees our quality. solid wood ceilings