国产黄色网站在线免费观看_99久免费精品视频在线观看_亚洲αv在线观看天堂无码_欧美亚洲日韩国产综合

Rotary joints are used in hose reel to transmit gas and liquid to ensure that no medium leakage occurs when the reels rotate relative to each other. KMD can independently develop and design rotary joints to meet different requirements of users. A rotary joint that can be integrated with the slip ring to transmit liquid and electricity at the same time.