I te 1985, ko Cheng'an County Ruitong Carbon Co., Ltd.

I te tau 1999, ko ta maatau mahi awheawhe, ko te awheawhe tunāte, te awheawhe wero me te awheawhe me te awheawhe i tukuna i te awheawhe.

I te tau 2004, i hurihia e to maatau te ingoa ki a Hebei Ruitong Carbon Carbon Carbon Carbon Carbon Carbon i hangaia.

I te tau 2006, i whiwhi maatau i te tika o te kawemai me te kaweake i roto i nga tikanga. I tiimata matou ki te kawe i o maatau hua ki Tiamana, te Czech Republic, Poland, Brazil, India, Japan, South Korea, Vietnam me etahi atu whenua i nga tau o muri.

I te tau 2011, ka tiimata matou ki te whakauru i nga korero whakamarama me te aukati.

I te 2022, i whakaoti to maatau kamupene i te hurihanga mamati o te tipu katoa.