Situated at the southwest of Hunan province and being climate, Tongdao county is good for ginger. It is to develop ginger oil, ginger extract, ginger juice, sugared ginger and etc.

• 通道县位于湖南省西南端,属亚热带季风湿润气候,适宜生姜生长。拟开发生姜油、生姜精、生姜膏、生姜汁、红糖姜等产品。