亚洲无码中文字幕在线,国产亚洲欧美日韩精品四区,国产va观看在线,看黄片视频视频黄片黄片视频

The width of the frame is 79mm, and the wall thickness of the section is 1.1mm.
This series is a three rail belt sliding window.
A variety of upper sliding, high and Low rail, flat down rail can be selected;
Glass gooves 10mm and 19mm can choose single glass or insulating glass.
This series can be equipped with lock and crescent lock.
This series can be used for windows and windows.
1.5m * 1.8m with bright windows (with screen windows) per square consumable 3.896kg;