The two refitted mobile monitoring vehicles have been passed the acceptance of Peking Radio Regulatory Commission. These vehicles equipped with DDF05E and EM550 as main equipments, with lifter and rotary controller which make the control of antenna and monitoring the change of the antenna angle possible, the perfect platform on vehicle roof with consideration of the weight carrying ability of the vehicle roof. The completion of this project marks the powerful ability of mechanical design, the system integration and refitting and creativity.