久久国产亚洲欧美久久,免费夜色污私人影院在线观看,欧美国产国产综合视频,国产精品毛片完整版视频

The width of the frame is 91mm, and the wall thickness of the section is 1.2 mm and 1.4mm.
This series is a three rail belt sliding window.
There are flat rail, high and low rail, wide rail and narrow rail.
Glass notch 7mm - 24mm, you 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 4.419kg;