What is the relationship between Yixin Huachen and Huayu Information?

Beijing Yixin Huachen Software Co., Ltd. and Beijing Huayu Information Technology Co., Ltd. are both subsidiaries and brother companies of Beijing Huayu Software Co., Ltd. (a listed company). Yixin Huachen's main business is intelligent data general software, including data acquisition, data analysis and data management software. Huayu Information provides legal technology industry solutions and products.