About Flat Telephone Cable, we have 8 Cores Telephone Cable and 4 cores Telephone Cable and 2 cores telephone cable. All our Flat Phone Cable are use bare copper conductors, this kind of thread is soft and can be buried in the wall or pulled out of the wall.It can be used for long-distance transmission. As you know, the only Telephone Line that meet the national standard are all copper conductors. Except flat telephone cable, our factory also supply Ethernet Cable and Lan Cable.