 If using only their own resources and expertise, the country might need a decade or longer to catch up with developed nations.In 2004, the Chinese State Council and the Ministry of Railways defined a modern railway technology and equipment policy as "the introduction of advanced technology, the joint design and production, to build China brand".The realization of the railway "leapfrog development" is the key task required to develop and utilize the technology required for high-speed trains (higher than per hour).