材质：铁+铜
表面处理：镀铜
特性：接地端子，导电性优
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: Steel + Copper
Surface treatment: copper plating
Characteristics: grounding terminal, excellent electrical conductivity
Application: industrial automation equipment, aviation, high-speed railway, communication equipment, Electrical cabinet and other equipment