天铁科技等成立能源技术公司，含电池制造业务

Group 1 - The core viewpoint of the article is the establishment of Zhejiang Yunshu Energy Technology Co., Ltd., which includes battery manufacturing as part of its business operations [1] - The company has a registered capital of 50 million yuan and its business scope includes emerging energy technology research and development, wind power technology services, energy storage technology services, and sales of photovoltaic equipment and components [1] - The company is jointly owned by Tian Tie Technology (300587) and Hangzhou Xuan Shu Zhi Chuang Technology Co., Ltd. [1]