... Optic, coaxial, PCM electric cable and so on, widely apply to the telecommunication,radio, railroad, military units, institutions ... compressive strength, impact resistance anti-aging andresistant to acid bases. Both cold and hot area can ... and weather resistance, long life-time (up to 50 years);4. Resistant to corrosion: Prevent from the water and ... . PVC Plum blossom electric power on productin line