上折窗 上下折叠 上翻窗

手摇外平开窗

1 设计：从功能上解决了外开窗不便安装纱窗的问题，它不但可内装固定纱窗还可以安装活动纱窗，可在纱窗关闭情况下完成窗扇的开启和锁闭。

2 手摇窗器结构设计新颖，利用涡轮蜗杆传动原理，通过手摇摇柄驱动推拉臂的移动，从而带动窗的启闭，使窗的开启省力，操作起来灵活方便，安全可靠。

3 安全：只需轻松摇动窗扇下部的手摇柄，窗扇即会匀速的开启或关闭，操作灵活轻便，避免操作动作幅度大产生危险等问题。

Stir Casement Window

1.       Design: It solves window screen installation of casement window, it can be installed not only fixed window screen, but also movable window screen. It can be opened, closed, and locked after window screen closed.

2.       Its design is fashionable. With driving principle or turbo level, it can be flexibly and safety opened and closed through stiring.

3.       Security: It can be uniformly opened and closed through stiring the handle on lower sash, and avoid dangerous reslulted from large range of motion.