通裕重工：济南冶科所未有PCB钻针产品

Core Viewpoint - Tongyu Heavy Industry's subsidiary, Jinan Yake Institute, has confirmed that it does not produce PCB drill bits, addressing investor inquiries on the interactive platform [2] Company Summary - Tongyu Heavy Industry responded to investor questions on December 1, clarifying that its subsidiary, Jinan Yake Institute, has no PCB drill bit products [2]