You hear about fiber-optic cables whenever people talk about the telephone system, the cable TV system or the Internet. in fact that Fiber-optic lines manufactured by HAGSIN Optical Fiber Cable Machine are strands of optically pure glass as thin as a human hair that carry digital information over long distances. They are also used in medical imaging and mechanical engineering inspection, if you are interested in indoor optical fiber cable machine and outdoor fiber optical cable machine in china, be free to contact us via business@hagsin.com, we will support you well.