·The thickness of the wood is 68mm. The thick frames and fans make the windows solid, durable, and have excellent heat preservation, sound insulation, and wind resistance performance.

·Jewel Sun Solid Wood Windows have both prudent and graceful style, and smart, smooth, delicate and soft line, along with fashionable, tasteful, as well as elegant, romantic, dynamic characteristics.

·The main material of the windows are laminated natural larch and red Canadian pine material. Utilizing high quality German hardware, and compatible with high-performance hollow glass, 22mm thickness, the windows are elaborately made according to German DIN standard.