Provide 24 hours after sales services online for customers

1：Free professional training and installation.
2：Customer Service :7*24H fast response service.
3：Professional service system provides guarantee for uninterrupted processing, installation guide, maintenance guide, etc.

Always sometimes because of the time different ,we contacted with customers about the after sales services to 22:00 /23:00 at China Time. 

Customer's satisfy is our aim. To give good after sales services, so that can get more repeat orders. 

No pays no gains.