Trailer Axle, Semi Trailer, Dump Truck manufacturer / supplier in China, offering 3 Axles Flatbed Low Gravity Long Wheelbase Heavy Duty Goods Machinery Container Transportation Detachable Mechanical Air Suspension Flatbed Semi Trailer, 45 Ton Special Low Gravity Long Wheelbase Heavy Duty Goods Machinery Container Transportation Detachable Mechanical Air Suspension Flatbed Semi Trailer, Customized 40t-70t Heavy Duty 30FT 2/3/4 Axles Container/Cargo Flatbed/Platform/Flat Deck Low/Hight Bed Platform Tractor Truck Semi Trailer and so on.