亚洲综合色成在线观看,免费爽爽看片在线看片,国产精品自在线拍国产第一页,久久久噜噜噜久久熟女aa片

The width of the frame is 50mm, and the thickness of the section is 1.4mm.
side frame is connected with the iner fan cutting 45 degree angle code.
it can be opened inside or outside.
linkage (single point lock) and multi point lock can be linked.
glass notch 15mm-31mm, acording to the ned, we can choose the crresponding pessre line of the notch.
indoor and outdoor seals are made of adhesive tape or glass glue, and the sealing performance is better than that
of general sliding windows.
1.5m x 1.8m standard window type per square consumable 5.36kg;