... long rod manufacture2,KEMA;ISO 9001:2008 3,IEC standard. 4,High mechanical strength 5,Good performance of hydrophobicity and antipollution ... 8,The design of shed adopted unique aerodynamics principle9,The end seal adopted the high temperature sulfuration to ensure the reliable ... the ECR high-temperature and acid-proof fiber rod. 4,The end fitting uses maze type waterproof design,and out-cover rubber ...