Passenger elevator safety has been the first passenger elevator quality of attention, when the elevator operation to seal the floor it can achieve safe lifting export 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 by some control to achieve a safe and stable condition, lift the electric drive system mainly by the power supply system, the speed of feedback components, traction motors and motor speed control to configure the composition, there are open-air passenger elevators have closed passenger elevator wholesale, open-air passenger elevators tend to be more welcomed by the customers, but also with respect to other types of elevators much safer. Gearless permanent magnet synchronous technology is continued after VVVF technology, the elevator industry is another major technological advances. To meet this trend, and now, Noah Witt launched gearless elevator passenger elevator, compared with the traditional tooth has an elevator, it saves space, energy saving, high efficiency, long life, environmentally friendly passenger elevator companies to install, more in line with building development put higher demands 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. Quality passenger elevator passenger elevator Linyi County _ _ Noah Noah Wit Wit lift provided by the Texas Elevator Company. Texas Noah Witt Elevator Co. (www.dznywt.com) strong, credible, in Dezhou machinery and industrial products industry cooperation projects accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Noah Witt elevator and you hand into the brilliant, for a better future!