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According to the different characteristics of hard copper stranded wire and soft copper stranded wire, they are used in different fields. Hard copper stranded wire is often used in places that need to conduct electricity and require relatively high tension due to its strong tensile strength and better conductivity, such as power distribution lines and building conductors, as well as electric shock transmission.

The so-called copper stranded wire, as the name implies, must be made of copper wire. So what are the methods of twisting copper stranded wire?

A good copper stranded wire has a brighter appearance, obvious damage and scratches, and no discoloration caused by obvious oxidation reaction. The color of the outside is relatively uniform, with black spots and cracks.

let's write the requirements of the tinned copper stranded wire to the steel wire through three points.