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