Casement Windows swing open (like door) to provide superior ventilation, while the large glass areas provide unobstructed views and bathe your rooms in a flood of natural light.

外平开窗象门一样，具有良好的通风特点，同时大玻璃窗扇具有良好的采光性能。

youdao

Using sliding hold top-hung outward window can easily control can be ventilation, casement fixed in the position you want.

采用滑撑的上悬外开窗能轻松控制通风量，可将窗扇固定在您想要的位置。

youdao

Using sliding hold top-hung outward window can easily control can be ventilation, casement fixed in the position you want.

采用滑撑的上悬外开窗能轻松控制通风量，可将窗扇固定在您想要的位置。

youdao