Mingguang Mung Bean, in fact, was not the title in the early days. At that time, because of its bright color and green color, it was called bright and bright mung bean, referred to as Ming Green. The main producing areas of Minglu are in Hengshan, Guandian of Mingguang, Chihe and Sanhe Townships in Dingyuan, and later expanded to Zhangbaling, Shiba, Tunxi, Qikou and other places. The distribution center of Minglu is mainly in the tube shop. Due to the influence of the war, the management of the grain store was affected. Around 1945, Mingguang’s people in the food business gradually increased. With the increase of food and transportation and the convenience of transportation, Mingguang replaced the tube store and became a new green The distribution center, for a long time, the mung bean distributed in Mingguang is gradually called the Mingguang mung bean.