Sun specializes in litigation and non-litigation business related to finance and securities as well as family wealth inheritance business, and has extensive legal practice experience in corporate investment and financing, bond issuance, asset securitization, securities and capital markets as well as serving as a perennial legal advisor for listed companies. Sun has represented multiple banks including Bank of China, Bank of Communications, Postal Savings Bank of China and Industrial Bank in relation to major, difficult and complex financial dispute cases.