Luo Guangjin, a full-time teacher of tea major in Pu'er University, a member of the Evaluation and Inspection Committee of China Tea Society, and a national technical expert.

Luo Guangjin devoted herself to the field of "Pu'er tea science" and won the first prize in the first Yunnan tea appraiser skill contest in 2018; In 2019, he won the first place in the all-around competition in the final of the first national tea appraiser professional skills competition of China Skills Competition; In July 2019, he was awarded the title of "National Technical Expert" by the Ministry of Human Resources and Social Security.

Luo Guangjin has successively engaged in tea garden management, processing, quality inspection, management and teaching, teaching courses such as "Tea Evaluation and Inspection" and "Tea Cultivation", participated in the preparation of the teaching material "Pu'er Tea Science" for tea majors in general higher education, and has made remarkable achievements in teaching and educating people. 22 students have been admitted to Southwest University Postgraduate of Sichuan Agricultural University and other universities. Luo Guangjin also wrote his thesis on the land of rural revitalization and carefully trained a group of senior professional and technical talents in tea science for Ning'er County and Menglian County. @Yunnan Pu'er Federation of Trade Unions