AB无码精品一区二区三区人妖_狠狠操福利视频_成人深夜在线观看_一二三区在线观看_亚洲人成网站在e线播放_亚洲国产精品无码专区在线观看

?Thick valve body, four valve base design, longer use time Anti-static,blow-out proof stern Torque balance，Daikin/3M seal Investment casting, casting passed Germany TUV certification Material:CF8/CF8M/CF3/CF3M/WCB(Customizable)

Applicature water、steam、oil、viscous media Anti-static,blow-out proof stem Torque balance，Daikin/3M seal Investment casting,casting passed Germany TUv certification Material:CF8/CF8M/CF3/CF3M/WCB(customizable)