所有零部件一年内免费保修，无刷马达和电源如有质量问题二年超长包换！
All parts within one year free warranty, brushless motor and power if there is any quality problem for two years long replacement!
所有零部件一年内免费保修，无刷马达和电源如有质量问题二年超长包换！
All parts within one year free warranty, brushless motor and power if there is any quality problem for two years long replacement!
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