Miao Yuanzhen, technician of the concentrator of Yunnan Copper Yuxi Mining Co., Ltd., head of the grinding section, national outstanding migrant workers, technical champion of Yunnan Flotation Worker Skills Competition, and national model worker. Miao Yuanzhen has spent 19 years from Xiaobai, the new technology, to the top beneficiation player in the industry.

The small yellow books and lines of vigorous and powerful handwriting are the marks of Miao Yuanzhen's humble learning. Miao Yuanzhen said, "He kept asking the technicians and old workers, and the teachers all said that I love to be a model worker." From migrant workers to national model workers, he started from his original intention and became persistent. Miao Yuanzhen has fulfilled his original intention and mission that belongs to himself and this era.