A staff member mixes soy sauce in a jar during the production process in Shaoxing, East China’s Zhejiang Province on August 13, 2023. Shaoxing has more than 20 enterprises in this industry with annual output of 2 million kilograms. The production technology of local soy sauce with a total production period of 180 days was included in the intangible cultural heritage list of Zhejiang Province in 2009. Photo: cnsphoto