First, insert the upper end of the screen window of Xingfa aluminum window obliquely into the upper slide way of the window, then push it up hard, and then push the lower end of the screen window into the lower slide way of the window.

If you can't push the screen window successfully, you should grab the middle position of the window with one hand and pull it out. At this time, the middle position of the screen window will become an arc, and then the lower end of the screen window will be pushed into the slideway under the window. Guangdong Xingfa is a China aerospace brand and the number one profile manufacturer in China, with guaranteed quality. Secondly, the aluminum doors and windows of Xingfa Broken Bridge have a heavy proportion and high aluminum content, and the heat insulation strips used are also nylon strips. Characteristics of doors and windows system of Xingfa winger: 1. The system creatively invented the push-pull mode of internal rotation and suspension, and used the swing arm to support, slide and rotate, so that the doors and windows were turned out in turn, pushed and pulled through the middle bracket, and turned inward to close. 2. The system realizes the integration of push-pull and flat-open, and achieves the comprehensive performance of push-pull and flat-open. The wind pressure resistance reaches level 8, the water tightness reaches level 5, and the air tightness reaches level 5. Hardware fittings for doors and windows have excellent performance and can still be used normally after being opened for 50,000 times. 3. When the fixed window and the open window are closed, the indoor and outdoor appearances are consistent, the window sash is kept on a plane, and the window sash has no pressing line, hinge shaft and leakage trace. Symmetrical with the fixed window as a whole, flat and beautiful inside and outside, no fan cover frame phenomenon.