l       We are a member of trade assurance on Alibaba, if you import goods via it, 

       Alibaba will  be full rufunds protection if goods itself has quality problems. 

l       We can return your money if you are not satisfied with our product within 7 days

       after you get the goods, you only need take the freight.

l       We promise to replace the goods freely if there is some problems within 6months.

l       Free maintenance within 2years, you just need to pay the freight.

• QWhat's your motor's Max. rotating speed?
• A550-600 RPM
• QWhat's your motor's Max power?
• ARated output power is 350W
• QWhat's your motor's Max torque?
• AWhen the voltage rating is 48V, the Max torque is about 35nm