Nanjing has a developed business environment. The retail sales of Nanjing in 2016 amounted to RMB 508.82 billion. There are three shopping malls with sales exceeding RMB 4 billion, about one third of the whole country. Nanjing Deji Plaza made big sales of RMB 7.66 billion in 2016, the second best in China. Other 8 stores in Nanjing entered the list of 200 stores with sales over one billion. There are many financial institutions in Nanjing, serving as strong drivers. They include commercial banks, credit unions, trust companies, finance companies, leasing companies, securities companies and insurance companies. There are also a large number of law firms, accounting firms, tax accountant firms, guarantee companies in Nanjing, providing a variety of professional services for enterprises.