至纯科技：子公司增资扩股完成工商变更，引入3.15亿元投资

Core Viewpoint - The company announced a capital increase for its subsidiary, ZhiChun Precision Gas, with existing shareholders waiving their preemptive rights, resulting in an increase in registered capital from 138 million to 167 million yuan [1] Group 1 - The company has agreed to introduce new investors through a capital increase for its subsidiary, ZhiChun Precision Gas [1] - The capital increase has raised 315 million yuan, and the company has completed the necessary business registration changes [1] - The new business license has been obtained following the completion of the capital increase [1]