Avic elevator products with low-carbon environmental protection as the design concept, energy saving and consumption reduction, in order to maximize the use of well space, save building area, reduce construction costs, fully reflect the green humanistic spirit of the product。No machine room series freight elevator adopts gearless synchronous host, which saves about 40% of electric energy and 10% of building area compared with gearless elevators of the same load class。Adopt the world's advanced permanent magnet synchronous gearless traction (PM) technology to ensure that the elevator runs more quietly and smoothly。Advanced VVVF variable voltage variable speed drive mode, so that the elevator in the start-up, operation, stop and stop all stages have superior performance, for modern industrial development to provide the most efficient vertical transportation system solutions。