Introduction to Wu Luheng's old compass store: The famous brands in the history of Wan'an Compass include Fang Xiushui, Hu Ruyi and Wu Luheng. Among them, Wu Luheng’s Old Compass Shop located at the entrance of Wan’an Old Street is an important place where Wan’an compass production technology is taught. This shop was founded in 1723. It not only continues the production technology of the older generation, but also applied for this compass production process with profound cultural connotation to become an intangible cultural heritage.