Semi Trailer, Tractor Truck, Trailer Parts manufacturer / supplier in China, offering 60ton Side Wall Flatbed Semi Trailer with Side Panel for Cargo Transport, Customzied Heavy Duty 30/50/60ton 2/3/4 Axles Dry Cargo Side Wall Semi Trailer, Best Price 40t/80t 3/4 Axle Bulk Transport Drop Side Semi Trailer and so on.