华阳集团：精密压铸业务通过国际客户间接向英伟达提供光通讯模块零部件。

Core Insights - Huayang Group's precision die-casting business indirectly supplies optical communication module components to Nvidia through international clients [1] Group 1 - The precision die-casting business of Huayang Group plays a significant role in the supply chain for Nvidia's optical communication modules [1]