LOW-BED SEMI-TRAILERS HAVE FLAT-BED, CONCAVE-BEAM AND EXPOSED-TIRE STRUCTURES. THE FRAME IS LADDER-SHAPED AND THELONGITUDINAL BEAM CROSS-SECTION ISL-SHAPED. LT 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 CARYINGVARIOUS 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
PRINGS IN EQUAL AMOUNTS AND AXLES;
CARBON DIOXIDE GAS SHIELDED WELDING, AND THE ENTIRE FRAME IS SHOT BLASTED TO MAKE THE VEHICLE MORE BEAUTIFUBALANCE THE FORCES ON THE FRONT AND REAR.
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