Specifications

Characteristic :1.Rain inflow prevention by raising window sill;

                            2.Structural safeness(tuk-in structure);

                            3.Enhanced opening and closing, improved wear proof of blank sliding frame rail;

                            4.Enhance blank frame bending and welding strength;

                            5.Improved strength of mosquito frame and formation of handld stuchure;

                            6.can use for room corner of 90°&135°