美式上下推拉窗，可在不占用室内、外空间的同时又达到开窗通风的效果。选用优质的上下推拉窗**五金件，推拉顺畅、安全可靠。独特排水系统设计，防止风吹造成雨水和灰尘的进入。

Top-bottom sliding window

1） Material: UPVC
2） Color:
（1） To the white color, no minimal order quantity.
（2） To the other color, have minimal order quantity.
3） Size: Can produce according to your request.

We are professional PVC window & door manufacturer since 1999. Can design and produce various windows/doors according to your request.

The good quality profile with multi-cavities.
Beautiful extenal appearance.
Good hermetic capability.
Bear teh rain storm, insolation, aridity, damply, cold environment, still keep the good quality.