二十世纪中叶以来,随着科学技术的不断进步和快速发展,人类经济及社会活动的内容从深度到广度全面提升,信息化产业的蓬勃兴起和高速发展,为我国电力电缆、通信电缆和光缆以及建筑用线等产业带来了很大的发展机会,电力工业的快速发展以及全国电网建设的全面铺开也给电线电缆行业带来了 Since the middle of the 20th century, with the continuous progress and rapid development of science and technology, the contents of human economic and social activities have been promoted in an all-round way from depth to breadth and the information industry has been booming and developing rapidly. As a result, China’s power cables, communications cables and optical cables As well as construction lines and other industries have brought great opportunities for development, the rapid development of the power industry and the full development of the national power grid also brought to the wire and cable industry