Best 3 Axles 40ft Brand Flat Bed Semi Trailer Factory Price

Flat bed semi trailer is processed with advanced equipment, the longitudinal beam is welded by imported full automatic tracking hidden arc welding machine; wheel axle is assembled by assembly machine, wheelbase is determined by range finder, spare parts are treated by shot blast, assembly parts are tirst painted, then assembled, side panel is treated by phosphating and pickling, greatly increase the adhesion force of the paint; baking varnish make the paint have a high gloss, durable finish.