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China Composite Wire for Oil-immersed Transformer, Reactor & Electric Devices - Reliable Suppliers & Factory

Composite wire is a high-quality winding wire made up of multiple copper and aluminum wires, designed to meet specific requirements and insulated with advanced materials. This versatile composite wire is primarily used in the windings of oil-immersed transformers, reactors, and various electrical devices, As a leading China supplier and factory of composite wire, Hengte Electric specializes in manufacturing precision copper and aluminum paper-covered wires. Our products are crafted with exact dimensions, ensuring the ideal wrapping tightness for optimal performance. With continuous lengths exceeding 8,000 meters, our composite wires are engineered to meet the rigorous demands of the electrical industry, making us a trusted choice for clients worldwide

    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.

    Bare Flat Composite Wire Paper-Covered Composite Wire Enameled Composite Wire 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.


    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
    • Supports custom designs
    • Various insulation structures
    Enameled / Paper-Covered
    • Flat: 1.00–3.00 mm thick
    • Flat: 5.00–18.00 mm wide
    • Round: 2.00–5.00 mm diameter
    Bare / 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

    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.


    Frequently Asked Questions
    Q
    What types of composite conductors does your company produce?
    We produce a full range of composite conductors including bare flat composite wire, paper-covered composite wire, enameled composite wire, and film-wrapped composite wire. All products are designed for high electrical performance and mechanical stability.
    Q
    What is the maximum cross-sectional area available for flat wire conductors?
    For standard flat wire conductors, the maximum cross-section is 200 mm². For bare wire, paper-wrapped, and film-wrapped composite conductors, the maximum cross-section is 150 mm².
    Q
    Can conductor dimensions and insulation materials be customized?
    Yes. We offer full customization of conductor dimensions, insulation materials, and packaging types to meet specific customer requirements. Our team works closely with clients to ensure the final product meets their design and performance standards.
    Q
    What applications are these composite conductors suitable for?
    Our composite conductors are widely used in transformers, motors, reactors, and various other electrical and electronic equipment that require reliable insulation, stable electrical performance, and long service life under demanding conditions.
    Q
    What size range is available for enameled paper-covered composite wire?
    For enameled paper-covered and enameled composite wire conductors, flat conductors are recommended in thicknesses of 1.00–3.00 mm and widths of 5.00–18.00 mm. Round conductors are available in diameters from 2.00 mm to 5.00 mm.
    Q
    How is quality controlled during the production process?
    All products are manufactured under strict quality control procedures, ensuring smooth surface finish, precise dimensional tolerances, and uniform insulation coating throughout the entire length of the conductor. This guarantees consistent and reliable performance in end-use applications.

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