plum blossom pipe 1.type:3 holes,5 holes and 7 holes 2.materials:HDPE 3.ODM service 4.guarentee the quality and delivery ... power cable, Fiber Optic, coaxial, PCM electric cable and so on, widely apply to the telecommunication,radio, railroad, military units, institutions ... : Do not conduct electricity, aging and weather resistance, long life-time (up to 50 years);4. Resistant to corrosion: Prevent from ...