Kudzu powder product of Nhuan Trach agricultural services and starch processing cooperative in Dong Se hamlet, Nhuan Trạch commune, Luong Son district was certified as meeting One Commune One Product (OCOP)’s 3-star standard last year. For local residents, kudzu is a crop that helped them improve income, alleviate hunger and reduce poverty. The certification of the product is a prerequisite for local households to continue their production and expand their market.