1, quality and taste: Henan Tiegun yam grows in fertile soil. After a long period of growth, its yam meat is more delicate, sweet and soft. Compared with other regions, Henan Tiegun Yam has better taste and higher nutritional value.

2. Color and appearance: The skin color of Henan iron stick yam is dark, showing a unique rust color, and the shape is like an iron stick, which is very recognizable. This color and shape make Henan Tiegun Yam more easily recognized and selected by consumers in the market.