Power lock coupling, 1.High quality,low price,long life 2 ... standard 4.HOT SALE NOW!FIRST ORDER DISCOUNT Power Lock coupling,Advantages: 1.OEM processing for big company in Europe ... high efficient transmitting. 5.While running under overload, Power Lock can protect the equipment from breakdown.Detail data: Product ... 15102249548Fax86-02227342567Websitehttp://www.tjhrsy.en.alibaba.com Power lock coupling