Copper wire processing
Copper wire processing
Copper wire processing
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  • Copper wire processing
  • Copper wire processing
  • Copper wire processing

Copper wire processing

Copper wire processing uses copper rods as raw material and, through a series of processes—including drawing, annealing, tinning, stranding, and insulation—produces copper wires and copper conductors of various diameters, performance characteristics, and configurations. This process constitutes the core manufacturing stage for products such as electric wires and cables, enameled wires, and electronic lead wires.

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  • Product Description
  • Copper wire processing uses copper rods as raw material and, through a series of processes—including drawing, annealing, tinning, stranding, and insulation—produces copper wires and copper conductors of various diameters, performance characteristics, and configurations. This process constitutes the core manufacturing stage for products such as electric wires and cables, enameled wires, and electronic lead wires.

    Main Process Flow

    Brushed
    The crude copper rod is progressively drawn through dies to reduce its diameter, yielding copper wire of the desired diameter.
    They are classified as: large pull, medium pull, small pull, and micro pull.
    Annealing
    After heating and holding at temperature followed by cooling, work hardening is eliminated, elongation and flexibility are improved, and electrical conductivity is enhanced.
    It is classified into online continuous annealing and offline annealing.
    Surface Treatment
    Tin-plated copper wire: oxidation-resistant and easy to solder, used for electronic wires and shielded cables.
    Silver-plated copper wire: high conductivity, high-temperature resistance; used in high-frequency applications, military industries, and aerospace.
    Bare copper wire: retains its natural color and is used for ordinary cable conductors.
    Stranding / Bundling
    Multiple fine copper strands are stranded together to enhance flexibility and mechanical strength, making them suitable for use as conductors in power cables and control cables.
    Subsequent deep processing
    Enameled coating, braided shielding, calendering, and soldered forming, among others.

About Us

 

Hebei Zhongmai Metal Wire Co., Ltd.

Hebei Zhongmai Metal Wire Co., Ltd. was established in 2012 and is located on Landu Avenue in Jiajiakou Town, Ningjin County, Xingtai City. It is conveniently situated adjacent to the Ningjin-Dongqing-Yin Expressway and National Highway 308, with a well-developed transportation network that provides convenient support for logistics, transportation, and business expansion.

The company covers a total area of 26,680 square meters and currently employs over 80 people. Relying on its large-scale production base and a team of highly skilled professionals, the company has established an efficient and stable operational system. As a leading enterprise in the metal wire industry, the company has been deeply engaged in this sector for many years and has developed an integrated “production + sales” business model. Its core products include processed items such as copper wires, aluminum wires, stranded wires, and aluminum alloy conductors.

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