Yuan dong Lin graduated from Tsinghua University and Cambridge University, long-term focus on intelligent voice and speech technology research. MR Lin founded the Chivox team in Cambridge University in 2007 and return to China to set up headquarters. The team has access to Lenovo Star, Tsinghua Qiming and other well-known VC investments.And now Chivox is a wholly owned subsidiary of NetDragon. Chivox Speech Assessment Technology enables language-learning products automatically assess language learners' pronunciation and oral presentations. Chivox Speech Assessment Technology has been widely used by hundreds of companies and over 180 million end users throughout the world. It has been thoroughly tested and proved effective in helping users to improve their language proficiency, therefore it’s helping education partners to enhance their product competitiveness . And Chivox English speech test and automatic scoring system has been used in the English exam of the high school and university entrance examination in some provinces and cities. Chivox provides a stable and efficient examination services for hundreds of thousands of candidates.