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High Conductivity Tellurium Copper Suppliers in China - Quality Factory Products for New Energy Applications

In the rapidly evolving sectors of new energy vehicles and precision electronics, traditional tellurium copper materials have struggled to provide both excellent conductivity and superior processing performance. Conventional tellurium copper achieves only 80-90% of the conductivity of oxygen-free copper, which significantly limits its use in critical applications such as high-voltage connectors and precision electromagnetic components. As global demand for highly conductive and easy-to-process materials in the new energy industry intensifies, innovation in materials is essential. As a leading supplier in China, our factory is dedicated to developing advanced tellurium copper solutions that meet these pressing industry needs
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    Product Detail

    Core of Technological Breakthrough

    In response to the demands of such manufacturers, Sichuan Kepai innovated the production process and developed an oxygen-free high-conductivity tellurium copper with completely independent intellectual property rights, which has extremely low oxygen content, extremely high conductivity, easy machinability, and excellent resistance to fusion welding.

    ≤ 5ppm
    Oxygen Content

    Up to TU00/C10100 oxygen-free copper standard.

    ≥ 95%
    Conductivity IACS

    More than 20% higher than traditional copper tellurium.

    > 90%
    Cutting Performance

    The cutting performance index is increased to more than 90%.

    Product Advantage Matrix

    OFT series oxygen-free and high-conductivity tellurium copper perfectly balances four core properties:

    Conductive Revolution

    The conductivity exceeds 97% IACS (Kopai OFT-1) and reaches the oxygen-free copper level.

    Processing Innovation

    Maintain the excellent machinability of tellurium copper, and increase processing efficiency by 40%.

    Stable Quality

    The whole production process can be traced and strictly controlled, and the performance of the finished product is stable.

    Cost Optimization

    25% reduction in overall cost compared with oxygen-free copper materials.

    Application Value Map

    The material excels in key areas:

    New Energy Field

    The conductivity efficiency of battery pole connectors is increased by 22%.

    Power Equipment

    DC relay contacts more than 30 times without sticking.

    Precision Machining

    The qualified rate of plasma nozzle processing is increased to 99.3%.

    Kepai Intelligent Manufacturing System

    As a national high-tech enterprise, we have built a full chain guarantee from R&D to mass production:

    • 5000㎡ special copper alloy R&D base
    • R&D and production team led by industry veterans
    • Obtained more than 23 core patents (including 8 invention patents)
    • Passed IATF16949 automotive-grade quality system certification
    • The whole process can be traced and the quality is strictly controlled

    The OFT series is now available in three customised solutions:

    OFT-1 (Conductivity≥97% IACS) OFT-2 (Conductivity≥95% IACS) OFT-3 (Conductivity≥93% IACS)

    Frequently Asked Questions

    What is the oxygen content of Kepai's tellurium copper?
    The oxygen content is ≤5ppm, which meets the stringent TU00/C10100 oxygen-free copper standard.
    How high is the conductivity of the OFT series?
    The conductivity reaches ≥95% IACS, and the premium OFT-1 solution exceeds 97% IACS, which is more than 20% higher than traditional copper tellurium.
    How does this material improve processing efficiency?
    It increases the cutting performance index to more than 90% and improves overall processing efficiency by 40% while maintaining the excellent machinability of tellurium copper.
    What are the primary applications of this material?
    It excels in the new energy field (improving battery pole connector conductivity efficiency by 22%), power equipment (DC relay contacts over 30 times without sticking), and precision machining (raising plasma nozzle qualified rate to 99.3%).
    What quality certifications does Sichuan Kepai hold?
    As a national high-tech enterprise, Sichuan Kepai has passed the IATF16949 automotive-grade quality system certification and holds more than 23 core patents (including 8 invention patents).
    What customized solutions are available for the OFT series?
    We offer three customized solutions: OFT-1 (Conductivity ≥97% IACS), OFT-2 (Conductivity ≥95% IACS), and OFT-3 (Conductivity ≥93% IACS) to meet various application requirements.

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