Elevator Co., Ltd. Shandong quick series of freight elevators use of advanced microcomputer control technology, through technology integration, greatly improving the performance and quality of service lifts, greatly reducing the incidence of failure; its frequency control, so it runs like passenger comfort can achieve perfection. Elevator Co., Ltd. Shandong quick series freight elevator car to optimize the design bright and spacious, economical and practical, so that cargo transportation convenient, safe and reliable, smooth running, carrying capacity, and other fine qualities. In the different uses and environments factories, warehouses, shopping malls, shopping centers, libraries, etc., can meet the needs of customers, is the best tool for freight. ? Superiority Elevator Co., Ltd. Shandong quick series of lifts, full use of advanced control technology, the signal transmission, operational control to achieve a leap forward, making the system more stable and reliable, noise reduction, run more smoothly, more comfortable ride. Frequency freight elevator VVVF speed regulator applied technology, the freight elevator to run a more perfect performance. Energy saving: VVVF inverter freight elevator applied voltage control technology, power consumption and power supply capacity elevator operation will be significantly reduced, compared with traditional AC two-speed drag saving of nearly 20%, to fully achieve a good energy-saving advantages. Excellent torque characteristics: maximum characteristic frequency VVVF speed freight elevators in its constant torque characteristics, regardless of the severity of the load, its speed, comfort and precision leveling are not affected. ?? Speed ??performance: Frequency freight elevator VVVF unique speed curve smooth running state can regulate the elevator speed, comfort greatly improved operation of the elevator, leveling accuracy and running noise. Safe, smooth cargo will reach the destination.