drop deck semi trailer 1,45years history 2,CCC and ISO ... frame 4,export 20 country 30tons-40tons drop deck semi trailer 1.CCC&ISO certificate 2.quality assurance 3 ... steel Q345B,welded by automatic Submerged-Arc processes500mm Height I Beam, Top Flange 16mm,width 140mm; Middle Flange 8mm ; ... copper air-connector.Electrical SystemOne unit of JAEGER POWAY ,24V 7-pin ISO 1185 standard socket; two sets of ...