Why electric wires are flexible?
Copper prices hit high level. Here’s some reasons.
Everything you should know about CPR cable: 1.What is CPR （cable）? 2.CPR Cable Classification and certification. 3.CE marking and DoP statement.
It is cold and snowy in winter, especially in the north. The wires and cables are overhead outdoors, and the surface is easy to be covered with snow and ice.