振华科技：旗下东莞市振华新能源科技有限公司主要从事锂离子电池研制等业务，正在积极推进固态电池产品研发

Group 1 - The core viewpoint of the article is that the company is actively advancing the research and development of solid-state battery products through its subsidiary Dongguan Zhenhua New Energy Technology Co., Ltd [2] Group 2 - Dongguan Zhenhua New Energy is primarily engaged in the research, production, and sales of lithium-ion batteries [2] - The company has received inquiries from investors regarding its involvement in solid-state battery technology [2]