Wuhan Research Institute of Posts and Telecommunications, former vice president, chief engineer of China Institute of Communications Mao Qian Optical Communications Commission recently said that in 2012 the global fiber consumption has reached 236 million core km, fiber consumption has more than 1.8 billion cumulative core km. China's optical fiber with about 116 million core km, has been laying fiber optic cable lengths up to 14.91 million kilometers, has been laying fiber over 600 million core km.
Large network size corresponds to that the rapid growth of broadband subscribers worldwide. As of the end of 2012, the number of broadband subscribers worldwide more than 648 million, of which 128 million FTTx users; As of July 2013, the number of broadband users in China is about 183 million, fiber optic broadband subscribers reached 31.595 million, covering more than one optical access one hundred million. With the rapid development of optical networks in stark contrast to the open wire and cable have all been disabled, only 200,000 kilometers microwave line, the number of satellite circuits are very few