1977 - 1982大同矿务局晋华宫矿通风区技术员、助理工程师Datong Mining bureau。
1977-1982 Technician and Assistant Engineer of Ventilation District of Jinhuagong Mine of Datong Mining bureau.
指导并培训工程师和助理工程师，提高团队技术水平。
To improve the technical skills of the team by guiding and training engineers and assistant engineers.
公司现有高级工程师15人，中级职称技术人员28人，助理工程师36人。
The company has 15 senior technical staff of 28 middle-level titles, and 36 assistant engineers.
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