Food companies buy mulberries from farmers in Zhenjiang, East China's Jiangsu Province, on Tuesday, when the mulberry purchasing period started. Zhenjiang is focused on mulberry cultivation and the area planted with the fruit is about 5,000 mu (333 hectares). A total of 100 tons of the fruit were sold on Tuesday alone. The selling period lasts for 20 to 30 days. Photo: VCG