LEDs have been around for some time, but mostly blinking away as little red indicator lights in electronic equipment.

LEDs问世有一段时间了，但是主要作为电力器件上可以忽略不计小型红色指示灯。

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ZPB Remote Button Box use of far distance control start, stop, emergency stop and shut off fans & oil pumps of various kinds of electrical equipment and display working state by indicator.

ZPB遥控按钮盒供远距离控制各种电器设备的启动、正转、反转、紧急停止及风油切断等用处，并通过指示显示工作状态。

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Aims at Professional Maintenance, understanding the whole maintenance system, establishing the equipment management indicator, master zero fault method, and how to deal with the existing problems;

以专业保全为主要目的，了解完整的保养体系、建立设备管理指标、掌握零故障方法，以及如何处理可能存在的问题；

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