high qulity box trailer , hot dip galvanized , 7x4ft MODEL BOX 03SPECIFICATIONSBox size6’x4’, 7’x4’, 7’x5’, 8’x4’, 8’x5’GVW750kgChassis material70x50x2.5mm steel square tubeDraw bar70x50x2.5mm, 1200mm lengthFloor1.5mm zinc plate ,checker plate, plywood floorDoor1.5mm steel plateAxle50x50x5mm square tube or 40mm round solid TiresWith E-mark and DOT approval(165/70R13, 185/80R14)Leaf spring3leaf, 4 ...