1. The brands on the list are trustworthy and the product quality is guaranteed.
2. The conductor adopts imported high-purity oxygen-free copper telephone line, with small transmission attenuation, small signal loss, clear sound quality and no noise, and no sense of distance during the call.
3. The sheath is made of high-grade transparent outer telephone line, which is resistant to acid and alkali corrosion, anti-aging, and has a long service life.
4. The sheath is made of transparent material, which has good mechanical and physical properties, electrical properties and thermal stability. The content of heavy metals and heavy metal compounds such as lead and cadmium is extremely low.
5. Telephone lines using imported polypropylene materials have high purity, lower transmission attenuation and higher transmission speed. They are suitable for broadband Internet access and can meet the requirements of high transmission speed of videophones.