Happy times is a big internet company. Huanju Times Technology (Beijing) Co., Ltd. is a company engaged in online education platform, located in Beijing. 100 education is an independent education brand of Happy Times (Nasdaq: YY), which was officially launched on February 25th, 20th14th. 100 education, with the slogan of liberating teachers' strength and realizing 100% wish, is an online education platform for famous teachers built under the business philosophy of education with internet thinking.