... performance. Constitute: pine wood, water paint, art toughened glass.Product Introduction: Main material: larch,zhangsong,Qiou wood,oak ... no formaldehyde gas, In China, only our company use SIKKENS. Glass: Double insulating glass, triplex insulating glass or Low-e, ... Service: Install easily, free technical consultation and project design plan before sales. Wide range of coloursOuter packing: ...