在线观看色_午夜免费视频网站_色综合天天射_性猛交视频

  • Air valve 3A100,3A200,3A300

  • Type Codes
    1、Structure in sliding column mode:good tightness and sensitive reaction;
    2、Dobule air control valves have memory function;
    3、Internal hole adopts special processing technology which has little attrition friction,low start pressure and long service life;
    4、No need to add oil for lubrication;
    5、Malti-mounting helps to install and apply.
       How to order    top
       Technical data    top
       Dimensions    top