Shangzhuang Yam Powder is a product under Shangzhuang brand. Shangzhuang is an enterprise specializing in research and development of nutritional products. From planting, picking and grinding yam into powder, it strictly follows the national standards, and only uses Henan iron stick yam as raw material, and the yam content is as high as 100%, which is a standard that other brands can't reach and is also a leader among yam powder brands.