What is special power cable? Special power cable is a kind of power cable used in special working environment. Its internal structure and manufacturing process ···

Wire and cable is based on the length as the basic unit of measurement. All wires and cables are made into wire and cable products by adding insulation, shieldi···

I There is no strict boundary between "wire" and "cable". Generally, the products with few cores, small diameter and simple structure are called wires. Those wi···

As a data transmission medium with high bandwidth and high security, optical fiber is widely used in various large and medium-sized networks. Due to the high co···

The "Ministerial channel" during the national two sessions every year is one of the important windows to respond to hot topics and release policy information. T···