The frames of the series low-bed semi-trailers are of swan neck structure, the longitudinal beam is of "I" shape automatically welded by the application of high-strength manganese steel submerged arc, and the platform is low, as a result, the low-bed semi-trailer is the ideal means of transport of excavators, rollers, bulldozers, large-scale machine tools and equipment. Our Company has complete range of low-bed semi-trailers, specifically, we have the rigid suspension structure (one lines and double axes), multi-linear axis, double fifth wheels trailers, pull type, exposed tires type, type of no exposed tires, flat-bed type and concave beam type.Characteristics: powerful climbing ability and great traction capacity Applicable Scope: ultra-high, overweight and other bulky materials, large machinery transport