Formal, according to Harbin Zhongyu Future Education Information Consulting Co., Ltd. official website ... Zhongyu Education is the largest Chinese medicine training institution, legal and formal. Harbin Zhongyu Education Technology Co., Ltd. was established on 201516 5438+0018, which belongs to the service industry of science and technology popularization and application. It is a big institution with strength and good reputation, so it is very formal.