Research on criminal juridical cooperation between Hangkong and mainland of China Comparison research on criminal law and criminal juridical cooperation among Hongkong, Macau and Mainland of China Research on financial cooperation between China and Middle East countries Comparison on the old-age social welfare model between Hongkong and mainland of China Research on financial cooperation between China and Central Asian countries Research on vocational education cooperation between China and Sudan Research on financialcooperation between China and central asian countries Research on trade and investment cooperation between China and Poland