01 we provide 7*24 hour technical support by telephone at any time.            

02 responsible consultation: even if the user is not connected to the right professional staff, the person received the first call shall be responsible for finding out the right technical engineer, so that he can contact with the user, understand the needs of the user and provide timely services.            

03 according to the grade of the failure, we will provide the technical support service within the time required by the customer.