Mr. Sun is specialized both in litigation and in arbitration dealing with matters relating to insurance (marine & non-marine), logistics & transportation (sea, air & land; charter parties) as well as international trade, trade finance and leasing finance.  He also has fluent experience in corporate, insolvency, banking areas and other commercial affairs.

Mr. Sun engages in research on insurance, shipping and banking law as well as relevant cases, regularly writes articles for various kinds of newsletters and publications domestic and abroad, and delivers speeches regarding insurance, shipping and finance matters under Chinese Law on various occasions (ICC, CMLA, MIC forums and ABA).

Mr. Sun has frequently acted as legal expert of Chinese law to the High Court of England & Welsh and Hong Kong SDR.