VIPKid uses technology to deliver quality education online

Chinese online education startup VIPKid is looking to review the performance of some of its foreign teachers to ensure top quality of its services, said Chen Yuan, its co-founder.

"Quality-oriented recruitment, well-rounded management system as well as competitive pay are some of the driving factors of our business," said Chen, who is now in charge of teacher management at the company.

China's online education segment's sales revenue was 281 billion yuan ($33.4 billion) last year and is expected to rise 24 percent to exceed 348 billion yuan this year, according to consultancy iiMedia Research Group.