好吊色视频免费观看,少妇人妻日韩,精品国自产,欧美三级片一区二区,久久草在线播放,日韩一本二本三本视频,9191精品在线,狠肏美女视频,色婷婷在线资源

1. The profile frame width is 50mm, wall thickness is 2.0mm;
2. The frame and the inner leaf are connected by inserting at 45o;
3. It can be made into single swinging door, double swinging door, and couplet door and window, etc.;
4. The glass slot is 13mm-30mm, press line of corresponding slot can be selected according to the need;
5. Both indoor and outdoor are sealed with rubber strip, the sealing performance is better than the general sliding window;
6. The consumption of aluminum for 2.7m * 2.0m standard window is 6.1kg/m2