American style up and down sliding window

  Up and down sliding window is different from the traditional inward and outward opening and ordinary sliding mode, the window frame is simple, delicate lines, open area up to 100%, there will be no visual barriers.

  Ventilation and lighting coexist, structural safety, do not occupy space, open state from the perspective of safety and energy saving, do not collide with people, any position can be hovered, hidden accessories, clean and beautiful, Kuang Shan wrapped window sash, never outside the problem.