In 20 17, the "Bangou" sweet potato in Bangou Village, Cheng Ju Town, Pingding County, Shanxi Province was sold online, and the price rose from per kilogram 1.6 yuan to 4.6 yuan, which greatly increased the income of growers. One of the most important reasons is that the "half ditch" sweet potato has an "ID card".

Bangou Village has a tradition of planting sweet potatoes for more than 30 years. In 20 12, Fengxing Sweet Potato Planting Cooperative in Pingding County was established, with an area of 1 100 mu and an average yield per mu of 1500 kg. On 20 12, Bangou Village registered the "Bangou" trademark for sweet potato, which gave this special agricultural product its own brand.

Yi Tuo Bangbang Buy Sweet Potato E-commerce Co., Ltd. Bangou sweet potato has an ID card, and online marketing of Bangou sweet potato is popular all over the country, which is in short supply. And successfully declared the province's "one village, one product" project, driving seven surrounding villages to plant 5,000 mu, achieving the purpose of increasing agricultural efficiency and increasing farmers' income. The green sweet potato in Bangou Village has become the first batch of traceable agricultural special products in Pingding County, and it has been sold well all over the country by inserting network wings.