Industry is significant part of secondary industry, including light industry and heavy industry, which involves steel, mechanical, chemical, textile and so on. Power is a necessary energy for the preceding fields and applied into each process. Cables, as the media for power transportation, are widely used in this field. Due to difference in industrial fields, operation environments, there are different requirements for the application of cables, for example, cables applied for steel industry need to be flame retardant, fire resistance, and high temperature resistance; cables applied for chemical and textile industry need to be with acid and alkali proof, anti-erosion and so on. Besides, cables need to be with low temperature resistance, towing resistance and sunlight resistance and so on according to lying out and operation environment.