Beijing century SIDEx international education technology limited liability company for the development of quality education and Certification Center (ASDAN) in China offices and representative offices, is committed to the introduction of global quality international projects for the quality education and teaching system, to create the most Chinese leading international quality education platform. At present, the company has established cooperative relations with more than 342 international schools and key middle schools in the country, and more than 18000 high school students attend various quality education projects held by the company every year.Beijing century SIDEx international education technology limited liability company for the development of quality education and Certification Center (ASDAN) in China offices and representative offices, is committed to the introduction of global quality international projects for the quality education and teaching system, to create the most Chinese leading international quality education platform. At present, the company has established cooperative relations with more than 342 international schools and key middle schools in the country, and more than 18000 high school students attend various quality education projects held by the company every year.