国语自产少妇精品好蜜桃,亚洲国产激情自拍第一页,大鸡 吧操美女蜜臀av,就要操9394

Rotary joint

 

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.

HUNAN KEMEIDA ELECTRIC CO., LTD. All Rights Reserved           湘公網(wǎng)安備43060402000026號        湘ICP備16013601號-1