At the beginning of 2020, his son and daughter-in-law quit their jobs and returned to their hometown. While using their years of business expertise to start a clothing e-commerce company, they recorded the unique love of "Grandpa Carpenter" for his grandson, and let more people know about the magic of carpenters and their traditional craftsmanship.

When Dandan goes out in the "mantis cart" that his grandfather made for him, it always succeeds in turning heads and making the children of the neighbors next door so envious that they shout and cry to their parents that they want it too.