Jianfeng YuDr Jianfeng Yu is Director of Technical Development at the Jiangsu Inspection and Quarantine Mechanical and Electrical Products Testing Centre. He also was Director Technologist of the Research and Development Department at the Wuxi Diesel Engne Works, FAW Jiefang Automotive Company, Ltd. Yu is also a member of Science and Technical Committee of Wuxi Entry-Exit Inspection and Quarantine Bureau. Read More Read Less