材质：SPCC+钕磁铁
表面处理：镀镍
特性：超薄型，经久耐用，不容易变形，磁性强，无吸附板。
用途：工业自动化设备、航空、高铁、通信设备、电柜箱体及其它设备

Material: SPCC+ Neodymium magnet
Surface treatment: black
Features: ultra-thin, durable, not easy to deform, strong magnetism, no adsorption plate.
Application: Industrial automation equipment, aviation, high-speed railway,Communication equipment, electrical cabinet and other equipment