First, the use of our products, price, quality Three Guarantees, free on-site tracking service.
Second, the use of our products, such as problems in the course of the operation, I will be the first time to arrange on-site technical personnel to operate the use of technical guidance.
Third, the use of our products, in the case of new customers in the field, do not understand the use and operation of the process, our company will send technicians to your place. Technical operational guidance, until your church officers can be used alone and operation so far.