Capstone Systems Inc., through its subsidiary Yunguhui Group Limited, provides management consulting services to small and medium-sized enterprises in mainland China. The company's services include management advisory, corporate governance advisory, public relations advisory, and other capital market related consulting services, as well as financing and intermediary, and going public consulting services. It owns and operates two service centers; and nine cooperation service centers through independent operators. The company was founded in 2015 and is based in Nanjing, the People's Republic of China.