The company has established an after-sales service system under the leadership of the general manager, authorizing the person in charge of quality to carry out the work in an all-round way. The person in charge of quality is fully responsible for the quality of after-sales service, and specifically leads the after-sales service work and quality management work. The marketing department is responsible for organizing and coordinating the after-sales service personnel, and earnestly performing the after-sales service quality responsibilities. There are 12 after-sales service personnel in our company, all of whom are experienced and skilled personnel in our company. They are skilled, familiar with the performance, structure and characteristics of the products, and have strong problem-solving ability.