1.cage trailer 2.7x4(2100x1200mm) 3.can make customer style trailer Type: box trailer,cage trailer, truck trailer, trailer Chassis material: 70x50x2.5mm steel square tubeDraw bar: 70x50x2.5, 1200mm lengthFloor: 1.5mm zinc plate,checker plate, plywood floorDoor: 1.5mm steel plateAxle: 50x50x5mm square tube or 40mm round solidTires: with E-mark and DOT approval (165/70R13, 185/80R14)Leaf spring: ...