CHONGQING, June 10 (Xinhua) — Washing, sorting and dehydrating — several robotic arms are busy processing pickled mustard tubers at a 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 t