On October 14, 2020, Teacher Wang Jingfei led the consulting team to Uncle Liu Technology to conduct enterprise research and diagnosis, and gave professional guidance to the current business difficulties of Uncle Liu, accurately positioning the "national after-sales service platform of the door industry" with "urban service station" as the axis, integrating the group of artisan masters at one end and the group of door business operators at the other end. Through the "Uncle Liu" platform to achieve accurate demand matching, achieve rapid brand fission, and quickly penetrate the national market.