電線有透明的嗎？
電光源、液晶中，就有透明的導體，例如用氯化錫等等。
電線的絕緣層有透明的，就為壹般人所知道，例如，電話的柔性導線，音箱導線。
The next generation keyboard, future keyboard!
challenge and subverting the global computer keyboard, keyboard music instruments in 25 years ago，
The pioneer of the Chinese people firstly entered this area. who sent it into the modern house of CEO of Microsoft?
To challenge AT&T of the United States by improving communication deficiencies
Improving communication deficiencies, Chinese people challenge AT&T of the United States.