时间:
2017
-
05
-
10
1.conductor:Pure Oxygen-free copper, excellent quality copper,Anti-aging, low attenuation, stable transmission, anti-oxygen, low resistance, fast and stable transmission;2. Using environmental protection PVC plastic material, with wear-resistant, Acid and alkali, Oil resistant, Fire protection, Frozen, long use life characteristics. Using high-tech braiding, small density, strong anti-interference