
An employee processes Zhacai (pickled mustard tubers) products at a company in Fuling, southwest China's Chongqing Municipality, Oct. 16, 2023. The history of pickle-making in Chongqing's Fuling, a major pickle production base, dates back more than 150 years. The district's traditional method of producing preserved mustard tubers was listed as a state-level intangible cultural heritage in 2008.(Photo: Xinhua)

This photo taken on Oct. 16, 2023 shows a robotic arm processing Zhacai (pickled mustard tubers) products at an intelligent production workshop of Chongqing Fuling Zhacai Group Co., Ltd. in southwest China's Chongqing Municipality. The history of pickle-making in Chongqing's Fuling, a major pickle production base, dates back more than 150 years. The district's traditional method of producing preserved mustard tubers was listed as a state-level intangible cultural heritage in 2008.(Photo: Xinhua)

Employees work in an intelligent production workshop of Chongqing Fuling Zhacai Group Co., Ltd. in southwest China's Chongqing Municipality, Oct. 16, 2023. The history of pickle-making in Chongqing's Fuling, a major pickle production base, dates back more than 150 years. The district's traditional method of producing preserved mustard tubers was listed as a state-level intangible cultural heritage in 2008.(Photo: Xinhua)

An employee carries Zhacai (pickled mustard tubers) products at a company in Fuling, southwest China's Chongqing Municipality, Oct. 16, 2023. The history of pickle-making in Chongqing's Fuling, a major pickle production base, dates back more than 150 years. The district's traditional method of producing preserved mustard tubers was listed as a state-level intangible cultural heritage in 2008.(Photo: Xinhua)