1. The China's renewable resources appraisal of senior appraiser,
2. Have served in research center, as a IT company engineer, technical director and so on .
3. Participating to research for 13 patents, such as the practical patent of The Waste Televisions Disassembled Technology and Device, The Refrigerator Insulation Foam Molding Machine, The Method of Extracting Gold From the Waste Printed Circuit Board and so on.