1. Guangzhou zhixian daoyuan information service co., ltd is a wholly-owned subsidiary of Guangzhou ruochen technology co., ltd.
2. Guangzhou Ruoyuchen Technology Co., Ltd. is a holding subsidiary of Beijing Huatong 'an Information Technology Co., Ltd. ..
3. Beijing Huatongan Information Technology Co., Ltd. is a wholly-owned subsidiary of Beijing Yuanli Education Technology Co., Ltd.