On August 17 and 18, 2019, Zhang Xiaoquan`s grinding service team went into Nanjing East Road in Shanghai to provide the local residents with intimate thoughtful services, and won the praise from the residents of the community, also attracted a large number of tourists to stop and watch. According to statistics, more than 1,000 residents participated in the grinding service activity, and more than 3,000 knives and scissors were ground.