North American Trailer Dealer Association ndi kampani yogulitsa zamalonda ku North America yomwe imagwira ntchito yopepuka komanso yogulitsa ogulitsa ma trailer ndipo amawabweretsa pamodzi ngati gulu logwirizana. Kwa zaka zambiri, makampani ogulitsa ma trailer akhala akuvutika kwambiri ndikudikirira moleza mtima kuti apeze ndalama ...