Available year-round. Product name: Hebei Tiegun Yam. Shipping place: Li County, Baoding, Hebei Province. Supply cycle: all year round. Default express: ZTO Express. Packing method: carton + air column. Delivery time: shipped within 48 hours. Rehmannia glutinosa, yam, achyranthes bidentata, and chrysanthemum are collectively known as the "Four Huai Medicines". Tieguang yam is one of many yam varieties and is the best of Huaiyam. There are rust-like traces on the iron stick yam, so it is named iron stick yam. Tiegun yam has good nutrition and high medicinal value. It has been used as medicine in ancient books. Wen County, Jiaozuo, Henan Province is the origin of the geographical indication of Tiegun Yam. According to the different cultivation soils, Tiegun yam is divided into two types: sandy soil and loam soil.