This is to certify that our hospital staff, XXX , who hails from Huailai county, Hebei Province of China, ID No. XXXXXXXXX, has been working in the staff hospital of 4th Division of 4th Railway Engineering Bureau in Hefei City of Anhui Province for_36_years since 1971. At present, he is the physician in charge in the department of stomatology of our hospital. XXX’s recent 5 years’personal income are as follows: