1¡¢ Cold precision forging 2¡¢ Directly precision forging dimensional accuracy <0.07mm 3¡¢ Precision forged special-shaped parts and no cutting 4¡¢ ELectric conductivity>98%IACSv 5¡¢ Hardness>HB110, after silver plating surface hardness: HV140 6¡¢ High material utilization 7¡¢ Press line end hardness under HB70, Pluggable end hardness>HB110