Thirty years ago,backward telecom-munications infrastructure and net-work technology fell far short of thedemand to promote the fast devel-opment of all sectors in society,particularly constraining China's economic growth.But over the past thirty years China's telecom industry has developed by leaps and bounds.Now China has grown into a major player in the world's telecom industry,a world leader in network size,the scale of network usersand communication technology equipment.This has laid a sound foundation for the ex-pansion of the information service industry.