Empirical research on the enterprise management model in China 并列题名：Empirical research on the enterprise management model in China empirical research on enterprises and cities an empirical research on the listed companies in China Empirical research on the advanced level of equipment manufacturing in China Empirical research on budgeting management An empirical research on the legal aid system of China empirical research based on listed companies in China empirical research based on vegetable industry in China empirical research in the Yangtze river delta