维宏股份：大族激光集团旗下有三四家子公司是公司的客户，采购的主要是系统

Group 1 - The core inquiry from investors is about the relationship between Weihong Co., Ltd. and Dazhu Laser, specifically whether Dazhu Laser is a customer of the company and the nature of their collaboration [1] - Weihong Co., Ltd. confirmed on the investor interaction platform that several subsidiaries of Dazhu Laser Group are indeed customers, primarily purchasing systems [1]