It's true. Shenzhen Youxue Tianxia Education Development Co., Ltd. is a legal enterprise approved by the official review. It holds a formal business license, and the clock-in 100 day has been repeatedly reviewed, and it holds relevant qualification certificates, so the clock-in 100 day is true. "Youxue School" is the brand of Shenzhen Youxue Tianxia Education Development Co., Ltd., and it is a software for synchronous course teaching.