After-sales personnel verify product information (including product specifications, models, delivery time, fault description, customer name, whether it is within the contract warranty period, etc.), products within the warranty period (non-customer responsibility), after-sales personnel arrange maintenance; Warranty products or customer repair products, according to the communication with the customer to further deal with. In accordance with the strict product maintenance, inspection process of the product processing, after-sales personnel to monitor the whole process, after the inspection passed the product by the after-sales personnel to return to the customer.

After-sales personnel to reinspect, if the product meets the corresponding inspection and testing standards, product contact sales and return to the customer; If the product does not meet the corresponding inspection and testing standards, the after-sales staff is responsible for returning and replacing the product. There are abnormal problems with the product, but the product is still in the hands of the customer: by the project manager; Technical support contact customers to analyze, determine, and provide solutions.

After receiving the repaired product, the after-sales staff will complete the repair within 7 working days after confirming the repair, return the product to the customer, and communicate with the customer to provide preliminary solutions in special cases. For faulty products that do not meet the warranty conditions during the warranty period and products that exceed the warranty period, as well as faults caused by improper use by customers; The after-sales staff determines the problem, communicates with the customer, determines the maintenance cost through consensus, and decides after communicating with the customer in special circumstances.