长光华芯：目前公司已投资多家产业链上下游企业

Group 1 - The core viewpoint of the article is that Changguang Huaxin is actively engaging in capital operations through investments, mergers, and expansions within its industry chain [2] - The company has already invested in multiple upstream and downstream enterprises within the industry chain [2] - Future developments regarding these investments will be disclosed in accordance with regulatory requirements in the company's periodic reports [2]