In order to ensure that the equipment purchased by users can be installed, debugged and started reliably according to the technical requirements, we should send technicians to the field to direct or directly install and debug an after sales service. The first installer and debug service provided by a company is usually a gratuitous service.
The role of installation and debugging service is: after the user buys the product, it provides the practical guarantee conditions for the use of the utility as soon as possible.