Muna 1985, Cheng'an County Ruitong Carbon Co, Ltd. yakavambwa.

Muna 1999, musangano wedu wekugadzira, musangano wekubheka, musangano wemisangano uye musangano wemakwikisheni wacho akaiswa mukugadzira.

Muna 2004, boka redu rakachinja zita raro kuna Helei Ruitong kabhoni Co, Ltd., uye bazi redu remafrumu rakavakirwa.

Muna 2006, takawana kodzero yekupinda uye kutumira kunze kwenyika. Takatanga kuburitsa zvigadzirwa zvedu kuGermany, iyo Czech Republic, Poland, Brazil, India, South Korea, Vietnam nedzimwe nyika mumakore akatevera.

Muna 2011, takatanga kuunganidza kusarongeka uye automation.

Muna 2022, kambani yedu yakapedza shanduko yedhijitari yeiyo chirimwa chose.