... 2000m/roll 4 30 years product life 5 Outdoor communication cable 1 HDPE Silicon core pipe2 ISO9001-20083 40/30mm ... 2000m/roll4 30 years product life5 Outdoor communication cable6About UsHebei Weichuang Electric Power Technology Co., Ltd. ... primarily engaged in the ADSS, OPGW cable fittings, electrical fittings, non-standard fittings, communication products, power lines iron, galvanized steel, ...