In order to improve the functions of the after-sales service management department, Shenzhen Gubang Technology Co., Ltd. has increased the service items (sales personnel with technical services) after training the after-sales service personnel. The company organized after-sales maintenance personnel on October 7, 2012. After training and evaluation, the evaluation content was: basic sales questions, answers and judgment questions. A total of 7 after-sales service personnel participated in the training and evaluation.