1. 1 School of Financial Management , Ningbo University of Finance and Economics , Ningbo , Zhejiang , , China
2. 2 Second-level Official, Ningbo Bureau of Ecology and Environment , Ningbo , Zhejiang , , China
3. 3 Director of Science and Technology Finance, Ningbo Bureau of Ecology and Environment , Ningbo , Zhejiang , , China
4. 4 Legal Affairs Section, Ninghai County Taxation Bureau, State Administration of Taxation , Ninghai , Zhejiang , , China