产品简介：  

独特的滚珠自锁系统，安全可靠，易于操作。
 
自锁结构稳固，伸缩流畅、手感轻盈，轻轻一拉可任意位置停留，无杂音。
 
易于安装，适用吊装、墙面、天花板安装。
 
幕面防火、防霉、环保无异味、平整耐用不变色。
 
Advanced self-locking system makes the screen to be adjusted to accmmodate
 
any height
 
Easy and convenient operation.
 
Streamline type and all direction metal cover design,convent to install.
 
Smooth screen surface,hard to distortion, flame retardant, milew and
 
induration resistant,clear and vivid image.