🌸 Pin:15 Pin. 🌸 Insulation Resistance:≥5000 MΩ. Shell steel band (front shell nickel plated, rear shell tin plated). ♦️Plastic parts without loose, broken. ♦️ Copper Plating: 12 hours NSS. ♦️ Copper (Steel) Tin/Nickel Plating: 12 hours NSS.
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