This product adopts high-purity duplex alumina ceramics and thick film nickel plating technology, with high strength, high weldability, and high sealing performance. It is suitable for brazing different materials such as copper and aluminum, and can meet both seismic and tensile requirements. It is resistant to electrolyte chemical corrosion, and meets the reliable conductivity, corrosion resistance, sealing, and insulation standards of power battery cover plates and poles. Currently, it is an ideal choice for sealing and connecting power batteries worldwide.