When was Sandeguan acquired by Chongda in 2022?

201July 3, 9. Relevant information shows that on July 3, 20 18, Chongda Technology Co., Ltd. (hereinafter referred to as "Chongda Company") announced that it plans to acquire 20% equity of Shenzhen Sandeguan Precision Circuit Technology Co., Ltd. (hereinafter referred to as "Sandeguan") with its own funds of/kloc-0.8 billion yuan, and plans to1.