We here by promise all engines and electric parts have 6 months warranty. During the guarantee period all breakdowns due to faulty workmanship or materials should be repaired entirely free of charge by one of our approved CN Service Agents If have any question, please Email us, we will reply you in time. Service rule : Honestly Communion, Betimes Settle, Satisfactory Reply We will have Technical, Quality and other service for you.

To contact our Customer Care Department:
E-mail: sales@chinafourstar.com 
Contact Person: Ms. Christina 
Tel: 0086-579-87230046 87230146 
Fax: 0086-579-87230796 
Chat online:chinafourstar@hotmail.com