Ronglian Qimo, a subsidiary of listed company ronglianyun communication, was exposed by China Central Television on March 15. After providing outbound call systems and lines for E-marketing companies to respond to users' complaints and supervision, ronglianyun's US shares fell after the opening of trading. At the beginning of trading, they fell by more than 6%. At the time of publishing, they still fell by more than 5% to US $1.5/share.