Material:Galuminium  window frames open-size (mm) to open the way hanging structural characteristics : atmospheric elegant designs enhance the quality of accessories, and realize hanging open. Frame, fans have adopted the group angle 45 degrees, with plastic sections Group Kok and Kok link code and achieve good processing convenience and intensity. With automatic (manual) opened accessories, can achieve a high window open. Can be applied to pan, 100 design pleasing to the eye, the installation is simple and convenient to install solid. Apply Architecture : factories, homes, villas and other buildings