Nicolas MDED Hydraulic Modular trailer - We are China leading manufacturer of modular trailer. Material of main beam,Website:http://www.heavylifttrailer.com, upper and lower wing beam, cross beam, longitudinal beam, connecting pin are using special thick WH60(δb=60kg/mm2) steel plate, box-shaped structure, high strength, hard to deform. Hydraulic modular trailer (full-trailer or semi-trailer) ...