Manufacturer of elevator emergency communication alarm system and elevator industry control component. Our client are all over CHINA and we have many offices in Shanghai and other provices,we also establish long-term cooperative relationship with many specialized elevator factory.

communication system, management host telephone, wald-talky extesion, wald-talky extesion, power device, mergency extesion, industrial control, Bistable manetic switch, magnetic Switches inducter, phase sequencr protection relay, overheat protection relay