IHoltop Joyina ngezandla kunye neEthiopian Airlines yeMarike yaseAfrika
Ngomhla we-18 kuJuni ka-2019, iofisi yeHoltop yaphesheya kweelwandle ityikitye isivumelwano kunye ne-Ethiopian Airlines ukubonelela ngeqondo lobushushu kunye nokufuma rhoqo iDX Central Air Conditioner ye-ISO-8 Room ecocekileyo yeAircraft Oxygen Bottle Overhaul Workshop. imarike.
Holtop ubushushu rhoqo kunye nokufuma DX Central Air Conditioner Feature
Ukomelela kwebhokisi kuhlangana D1
I-Thermal bridge factor meet TB2
Ukuhanjiswa kwe-Thermal kuhlangana ne-T2
Uvavanyo lokusebenza lwe-AHU ngokwe-EN1886:2007
