Song Xiaoju, Vice President, Chief Engineer and Senior Engineer of Guangxi Mesta Group Co., Ltd. Song Xiaoju has been working hard in the field of construction machinery for more than ten years since graduation. As a senior engineer in Guangxi's construction machinery and equipment manufacturing industry, he is proficient in the whole process of project operation such as product technology research and development and management, equipment manufacturing process, market expansion, and product sales. Participated in the research and development of China's first crawler type heavy peak separation equipment, the first mobile sand machine, and the first large-scale crawler type impact crushing station. A number of technologies and major issues have been breakthroughs and breakthroughs, breaking the monopoly of foreign brands. He has participated in two major scientific and technological research projects in Guangxi Autonomous Region and one key scientific and technological plan project in Nanning City, presided over and completed more than 20 major self research projects of enterprises, and obtained 18 patents for invention and utility models@ Nanning Federation of Trade Unions