Elevator industry is related to the people's livelihood; therefore, the elevator safety and reliability is particularly important. Nader serves in the elevator market over 10 years by penetrating into system requirements, providing differentiated and customized product solutions.Nader has been working on the elevator industry with cooperation covering top 10 industries, providing quality services and a full range of product solutions forShanghai Mitsubishi, U.S. Otis, Japan's Hitachi, Finland Kone and other customers.