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China Composite Wire Suppliers - Factory for Oil-immersed Transformer Reactor and Electric Devices Winding Solutions

Composite wire is a specialized winding wire made from a combination of multiple winding wires or a mix of copper and aluminum wires, tailored to meet specific requirements and enveloped in high-quality insulating materials. This versatile wire is primarily utilized in the windings of oil-immersed transformers, reactors, and various electrical devices, As a leading manufacturer in China, Hengte Electric stands out among suppliers of copper and aluminum paper-covered wire and composite wire. Our products are engineered with precision in both size and shape, ensuring optimal wrapping tightness. Furthermore, we offer continuous lengths of over 8,000 meters without any joints, making our composite wire an excellent choice for your electrical application needs. Trust Hengte Electric, your reliable factory partner, for high-quality winding solutions

    Product Scope and Technical Specifications
    Our company specializes in the production of high-performance composite conductors, offering a full range of options including bare flat composite wire, paper-covered composite wire, enameled composite wire, and film-wrapped composite wire.

    These products are designed for reliable electrical performance, excellent insulation, and mechanical stability, making them suitable for use in transformers, motors, reactors, and other electrical equipment.

    Transformers
    Motors
    Reactors
    Electrical Equipment
    Production Scope and Size Range
    Flat Wire Conductors
    • Thickness: 1.00 mm – 12.00 mm
    • Width: 3.00 mm – 25.00 mm
    • Width-to-thickness ratio: ≤ 20
    • Max cross-section: 200 mm²
    Round Wire Conductors
    • Diameter: 2.00 mm – 5.00 mm
    • Suitable for custom designs
    • Various insulation structures
    Bare / Paper / Film-Wrapped
    • Thickness: 1.00 mm – 6.00 mm
    • Width: 4.00 mm – 20.00 mm
    • Width-to-thickness ratio: ≤ 20
    • Max cross-section: 150 mm²
    For enameled paper-covered wire and enameled composite wire conductors, we recommend flat conductor sizes of 1.00–3.00 mm thickness × 5.00–18.00 mm width, and round conductors from 2.00–5.00 mm in diameter.

    All our wires are produced under strict quality control with smooth surface finish, precise dimension tolerance, and uniform insulation coating. We are capable of customizing conductor dimensions, insulation materials, and packaging types according to customer specifications, ensuring stable performance and long service life in demanding electrical and electronic applications.

    Smooth Surface Finish
    Precise Dimension Tolerance
    Uniform Insulation Coating
    Custom Packaging Available
    Frequently Asked Questions
    What types of composite conductors do you manufacture?
    We manufacture four main types of high-performance composite conductors: bare flat composite wire, paper-covered composite wire, enameled composite wire, and film-wrapped composite wire. Each type is engineered to meet specific insulation and mechanical requirements for various electrical applications.
    What is the available size range for flat wire conductors?
    Our flat wire conductors are available with thicknesses from 1.00 mm to 12.00 mm and widths from 3.00 mm to 25.00 mm. The width-to-thickness ratio is kept at ≤ 20, and the maximum cross-section is 200 mm². Custom dimensions within these ranges can also be arranged upon request.
    Can you produce enameled composite wire in custom sizes?
    Yes. For enameled paper-covered and enameled composite wire conductors, we recommend flat conductor dimensions of 1.00–3.00 mm in thickness and 5.00–18.00 mm in width. Round conductors are available from 2.00–5.00 mm in diameter. Custom specifications within these ranges are fully supported.
    What applications are these composite conductors suitable for?
    Our composite conductors are designed for use in transformers, motors, reactors, and a wide range of other electrical and electronic equipment. Their reliable electrical performance, excellent insulation properties, and mechanical stability make them ideal for demanding industrial and power applications.
    How do you ensure the quality of your composite wire products?
    All products are manufactured under strict quality control processes, ensuring a smooth surface finish, precise dimensional tolerances, and uniform insulation coating. Each batch is inspected to meet consistent performance standards before delivery.
    Do you offer customization for conductor dimensions, insulation materials, and packaging?
    Absolutely. We offer full customization of conductor dimensions, insulation materials, and packaging types to meet specific customer requirements. Whether you need a unique size, a particular insulation structure, or a specific reel configuration, our team can work with you to deliver a tailored solution.

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