Passenger elevator safety is the first concern has been that when the operation of the elevator which can seal the floor lifting exports reached safety purposes. Secondly, the passenger elevator also includes electrical control systems and electric drive systems, electric drive system is the main function is to provide power, so that the speed of the elevator control are subject to certain passenger elevator, to achieve safe and stable condition, power drag lift Dynamic system mainly consists of power supply systems, speed feedback components, traction motors and motor speed control configuration composed of open-air passenger elevators have also closed, open-air passenger elevators tend to be more welcomed by the customers, but also with respect to other types of The elevator is much safer. Gearless permanent magnet synchronous technology is continued after VVVF technology, the elevator industry is another major technological advances. To meet this trend passenger elevator manufacturer, today launched Noah Witt gearless elevator passenger elevator, compared with conventional toothed elevator passenger elevator wholesale, it saves space, energy saving, high efficiency, long life, environmentally friendly, more in line with building development put forward higher requirements on the elevator. New permanent magnet gearless drive technology and space-saving design, combined with a new high performance control systems, the elevator has excellent running comfort, outstanding performance and low operating costs. Wholesale passenger elevator, Noah Witt elevator (certified), Linyi County, Texas Noah passenger elevator is provided by Witt Elevator Company. Texas Noah Witt Elevator Co. (www.dznywt.com) is a leader in Dezhou, machinery and industrial products, project cooperation, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Noah Witt leadership in the elevator with the staff warmly welcome all inquiries negotiations to create Noah Witt lift a better future.