Cable types and their selection criteria

Electric wires and cables are defined as "wire products used to transmit electric (magnetic) energy, information and realize the conversion of electromagnetic energy" according to the international electrical terminology. They are indispensable equipment for the transmission of electric energy, information transmission and manufacturing of various motors, electrical appliances and instruments. They are known as the "blood vessels" and "nerves" of the national economy. Wire and cable manufacturing is one of the biggest supporting industry of national economy, and is the second largest industry after the auto industry, in the machinery industry, wire and cable products are extensively used in energy, transportation, communications, automotive and petrochemical industry, its development by the international and domestic macro economic situation, national economic policy, industry policy and the influence of various related industries development, closely related to the development of the national economy.