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sales@syimotor.com

+86-512-65963935

+86-512-65963935

E-Bike System E-bike Motor
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Service

Technical Help

Lifetime technical supports are provided to each customer. 

Our technical support department will arrange a technician to assist you.   

Technical Support Hours Monday - Friday  9:00 am - 4:00 pm


Technical Help
After-sale Service

Our overseas after sales service will help you to replace the parts or send new ones.


Our company is responsible for returning motors at our own expense.


After-sale Service
Warranty Policy

Shengyi offers a standard 24 months warranty.

The warranty starts the day that the bicycle delivered to you.

Your replacement parts will be warrantied for 30 days if you receive them within the last month of Two Years Warranty.


Warranty Policy
Research & Development
Research & Development