Mature and reliable Italian ZAPI and American Danaher electric controller is installed of totally enclosed type, preventing the electric controlling and hydraulic component form pollution. Using imported well-known brand, all the crucial components passed strict test, guaranteeing stable working. Wide vision mast design optimizes the structure of mast, which widens the scope of the operator's vision and improves efficiency and security of working. Commodious operating space, adjustable steering wheel and seat are convenient for the driver to choose the best position. Fully embodying man-machine engineering ideology, all the operating system are of good distribution, which improve comfort of operating and reduce the driver's intensity of labor.