功能與優(yōu)點 FUNCTION & ADVANTANGES
1.Uses aluminum alloy precision die-cast body for excellent quality and worry-free application
采用鋁合金精密壓鑄本缽，質量優(yōu)越、放心使用。
2.Uses advanced and durable gasket, with oil leak rate lower than 1/1000
采用***耐用的密封圈，漏油率低于千分之一。
3.Perfect matching between tran***itted piston and gear,with special high intension material to ensure closer to work durable,quite and high efficient
***的傳動活塞與齒輪的配合，用特殊的高強度材質制造，確保閉門器時間、寧靜***率操作。
4.Quality carbon steel is used piston structure
采用優(yōu)質碳素鋼齒輪、活塞結構，力量傳動平穩(wěn)、寧靜。
5.to allow stable tran***ission & quiet Can be installed on left/right hand door,without adjustment
可隨意安裝在左手門或右手門，不用調整。
6.With two independent adjustable valves,which can be adjusted closing range at 120O -15O and 15O -0O
利用兩個***速度調節(jié)閥，能***調整120O -15O 和15O -0O的閉門速度。