... performance. Constitute: pine wood, water paint, art toughened glass.Product Introduction: Main material: larch,zhangsong,Qiou wood,oak, ... In China, only our company use SIKKENS. Glass: Double insulating glass, triplex insulating glass or Low-e, specification are 5mm/6mm ... 66 from Germany, Hardware: Roto Service: Install easily, free technical consultation and project design plan before sales. Wide ...