山东省东营市宏安电梯有限责任公司自主开发的远程监控系统，多种通迅方式，实时电梯状态显示，远程故障报警。,Dongying City, Shandong Province, Hang-an Elevator Co., Ltd. self-developed remote monitoring system, a variety of communication methods, real-time elevator status display, remote failure alarm.