According to the Qichacha APP, recently, Jiangsu ZEYU Biotechnology Co., Ltd. was established, with Zhang Jian as the legal representative and a registered capital of 10 million yuan. The business scope includes: research and application of cell technology; development and application of human stem cell technology; medical research and experimental development; natural science research and experimental development; development of human gene diagnosis and treatment technology, etc. Qichacha's equity penetration shows that the company is jointly held by ZEYU and others