Mr. Zheng has been engaged in civil and commercial economic trials for a long time. After entering the lawyer practice, he has been focusing on legal services in civil and commercial fields such as banking and finance, bankruptcy and reorganization, and special asset disposal. Mr. Zheng's professional expertise is dispute resolution and litigation, and has built good business cooperation with many banks and non-bank financial institutions including Agricultural Bank of China, Industrial and Commercial Bank of China, China Everbright Bank, Bank of Ningbo. Mr. Zheng has represented many difficult, complex and important cases with national influence, especially the second instance and retrial cases in the Supreme People's Court, many of which have been selected as the civil and commercial trial guidance cases of the Supreme People's Court.