What is the relationship between Tongchuan Antairong and Haiyue?

The relationship between Tongchuan Antairong and Serene is that Antairong bought Serene. According to relevant public information, Antairong acquired Serene on June 6, 20021,and Serene is the only listed company of Tongchuan Antairong. Tongchuan is not only rich in mineral energy reserves, but also vigorously lays out industries such as new energy and new materials, including Haiyue lithium battery industrial base.