swivel sash

In order to meet the requirements of modern health residence to improve the indoor air quality based upon advantages and disadvantages analysis of traditional open ways of windows a new safe energy saving window–casement turnover window is proposed which is well accepted by construction enterprises.

为适应现代健康住宅的建筑要求 ,改善人居住宅内空气质量 ,结合原有住宅窗户开启方式优缺点 ,提出了一种新型安全的节能窗———平开翻转窗 ,得到了国内门窗建筑企业的一致认可。