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ZZT: Reliable Manufacturer of Medium Voltage Power Cables

ZTT is an experienced and reliable manufacturer and supplier of power cables, specializing in medium voltage (MV) power cables. With an annual output of approximately 10,000 kilometers, ZTT has established itself as a professional social responsibility company capable of meeting diverse customer requirements while ensuring quick delivery times.

Construction and Specifications

The MV power cables, designed for voltage ranges between 6kV and 30kV, feature a robust construction. They consist of a conductor (copper or aluminum) with a maximum cross-section of 1000mm2, insulated with cross-linked polyethylene (providing superior heat resistance of 90℃). The cables are shielded with metallic screen (such as metallic tapes or wires) and can be armored with metal tape/wires as per specific requirements. Finally, they are covered with extruded PVC (ST2), PE (ST7), or halogen-free (ST8) sheath to ensure effective anti-corrosion protection.

International Standards and Customization

ZTT’s MV power cables conform to international standards such as the IEC series (e.g., IEC 60502-2, IEC 60228) and can be manufactured according to specific customer requirements, including standards like ICEA, AS, BS, DIN, among others. ZTT also has the capability to produce XLPE insulated cables with special features such as waterproofing, termite protection, rat proofing, and river crossing capabilities.

Complete Industrial Chain and Quality Assurance

With a complete industrial chain encompassing continuous casting and rolling of copper/aluminum rods, copper tape production, and MV power cable manufacturing, ZTT maintains control over the entire production process. This allows for design and customization according to client project requirements and international standards. ZTT follows modern management practices to ensure competitive pricing and has obtained certifications such as ISO 9001, ISO 14001, and ISO 18001, reflecting its commitment to quality assurance.


ZTT stands as a reliable manufacturer and supplier of MV power cables, delivering high-quality products that meet international standards and cater to customer-specific requirements. With a complete industrial chain, ZTT ensures control over the production process from raw materials to the final cable product. With its expertise in cable design, customization, and adherence to stringent quality management, ZTT is the trusted choice for medium voltage power cables.

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