LOW-BED SEMI-TRAILERS HAVE FLAT-PANEL, CONCAVE-BEAM AND EXPOSED-TIRE STRUCTURES. THE FRAME IS LADDER-SHAPED AND THELONGITUDINAL BEAM CROSS-SECTION ISL-SHAPED. IT HAS THE CHARACTERISTICS OF HIGH
RIGIDITY AND HIGH STRENGTH;
THE MAIN PLANE OF THE FRAME CARGO PLATFORM IS LOW TO ENSURE THE STABILITY OF TRANSPORTATION, AND IS SUITABLE FOR CARRYINGVARIOUS TYPES OF CONSTRUCTION MACHINERY, LARGE EQUIPMENT AND STEEL MATERIALS;
THREE-AXIS BALANCED, TWO-AXIS BALANCED OR RIGID SUSPENSION IS USED, AND A MASS BALANCE BLOCK IS INSTALLED BETWEEN THEFRONT AND REAR LEAF SPRINGS, WHICH CAN CHANGE THE DEFLECTION OF THE FRONT AND REAR LEAF
SPRINGS IN EQUAL AMOUNTS ANDBALANCE THE FORCES ON THE FRONT AND REAR AXLES;
CARBON DIOXIDE GAS SHIELDED WELDING, AND THE ENTIRE FRAME IS SHOT BLASTED TO MAKE THE VEHICLE MORE BEAUTIFUL
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