Ningbo Jiangxuan Electromechanical Co., Ltd. is located in Ningbo, Zhejiang Province, China, which specializes in the research and development and production of elevator door system. The electrical component manufacturing factory is located in Jiading, Shanghai, China, and the company name is Shanghai Zhenyu Electric Co., Ltd.;We specialize in elevator door system components for 15 years, including: landing door device, landing door lock, landing door hanging wheel, door contact switch, etc.Our company supplies the elevator components for well-known elevator manufacturers all over the country;Our safety contact switch have been certified and we have established long-term supply partnerships with well-known elevator manufacturers such as OTIS elevator, Thyssen elevator, China Xizi Elevator, KONE elevator and so on.Please feel free to consult us if there is any question.