初始适航管理及审定；航空产品及其零部件生产制造，质量和适航管理；航空器持续适航，维修管理，运行相关行业

Four years of Airworthiness Certification Inspector experience, as Principle Inspector (PI) of Hafei Aircraft Manufacturing Co. LTD and Harbin Dongan Engine Co. LTD, have experienced the Production Certificate for Y12F Aircraft and H425 Helicopter etc. and have carry out a lot of AC inspection, also include the secondhand aircraft and SFP for product, sales demonstrate and experiment etc.Have experienced the Type Certificate for Merlin M1 Aircraft, JN-1 Gyroplane and RX1E Electric Airplane etc.

Five years of Continue Airworthiness Inspector experience, have been the Principle Maintenance Inspector PMI for Heilongjiang branch of China Southern Airline and China Fly Dragon General Aviation.

Twelve years of aircraft maintenance work experience in airlines, hold the post of Technician, Engineer, Supervisor and Deputy Manager.Seven years of Engineering Supervision experience, include Engineering Management, Technical Support, Training Management and Production management etc.