Study on cross-industry transformation of listed companies 并列题名：Study on cross-industry transformation of listed companies Innovation and transformation of Chinese companies Study on unfair related-party transactions of Chinese listed companies A Study on the audit committee of listed companies Guidance on compliance and capital operation of listed companies a study on bankruptcy reorganization scheme of listed companies 并列题名：Study on unfair related-party transactions of Chinese listed companies Research on environmental performance evaluation of listed companies Study on the development index of industry trade of listed companies