“Products are the most primary thing that we export to other countries, the second is technology, our ultimate purpose is to export our standard to abroad” the standard output". One railway expert of China International Engineering Consulting Corporation (hereinafter referred to as CIECC) told the journalist of 21st Century Business Herald, we had meet some problems about standard when discussing railway projects with some surrounding countries, such as different gauge, different speed, different traction system, and so on. Therefore, the unification of the standard becomes a urgent problem.