Hunan Chendong Technology Co., LTD (mkpirisi dị ka CDT) bụ ọkachamara emeputa maka Green navigational Aids ngwaahịa, tumadi maka ụgbọ elu mgbochi ọkụ, helipad ọkụ na meteorological lekwasịrị oriọna na China.CDT nwetara ISO 9001: 2008 asambodo afọ mbụ mgbe emebere ya.
Dịka onye ọsụ ụzọ na China, asambodo ICAO na CAAC kwadoro ngwaahịa anyị.CDT nọgidere na-arụ ọrụ dị ka onye na-eweta ihe ngwọta maka ndị ahịa nwere ọpụrụiche.Ebupụla ngwaahịa anyị karịa mba na mpaghara 50 n'ụwa niile.