Ningxia Yizhongyuan Food Co., Ltd. is located in Qingtongxia City, on the west bank of the Yellow River in Ningxia, also known as the land of fish and rice. The company is a food technology company that specialises in the research and deep processing of plant-based protein foods. It primarily produces plant-based halal foods under the brands "Hui Xiang Zhai Zi" and "Silu Zhai Zi," with a 3,000-ton annual output.