Tel: +86 574 88369598

E-mail: bowlong@nbweikang.com

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HOT PRODUCTS


Our most popular items are corrugated roller, ceramic anilox roller, anti-stick roller, wire drawing parts, valve gates and hydraulic rods.

OUR ADVANTAGE


Wisdom manufacturing unit possesses a fully integrated production infrastructure.

ABOUT

We were established on May 18th, 1996, and now have been a large-sized enterprise with abundant economic strength, our company covers more than 13,000 m2, and total investment is more than CNY 30,000,000. We are specialized in manufacturing non-ferrous metal products such as copper ( sheet, bar, row, band ); oxygen free copper ( sheet, bar, row, band ); copper silver alloy ( sheet, bar, row, band ); tellurium copper ( sheet, bar, row, band ); profiled copper and so on with D400*800mm rolling mill, large electric furnace, 30t row pulling machine, 1250t extruder and duplex electrolysis instrument...

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NEWS EVENTS

Technical resource and corporate news.

  • 20

    2021-12

    Copper Conductor

    Copper has been used in electrical wiring since the invention of the electromagnet and the telegraph in the 1820s. The invention of the telephone in 1876 created further demand for copper wire as an electrical conductor.

  • 17

    2021-12

    Factors Affecting Resistivity of Copper Wire

    Copper content. The pureness of common copper wire is higher that 99%, while even higher if made in oxygen-free copper. Impurity is harmful to safety of large current load, the higher impurity, the higher resistivity, in other words, higher pureness is better.