Yong 'an Road, Shilong Economic Development Zone, Mentougou District. According to Baidu map, Cambridge (Beijing) International Education and Culture Co., Ltd. was established on 20 14 and is located in Beijing. Ket, the professional training of this enterprise, is an authoritative educational institution and an enterprise focusing on culture and art. The English abbreviation of KET for Cambridge English Elementary Test is "KeyEnglishTest".