Group 1 - The core viewpoint of the article is that Jing Sheng Mechanical and Electrical has clarified its business focus within the photovoltaic sector, specifically stating that it does not engage in the production of photovoltaic cell materials and therefore has no plans for silver reserves [2] Group 2 - The company's business primarily covers photovoltaic equipment, core consumables, and smart factory solutions [2]

Group 1 - The core viewpoint of the article is that Jing Sheng Mechanical & Electrical (300316.SZ) clarified its business scope in the photovoltaic sector, stating it does not engage in the production of photovoltaic cell materials and therefore has no plans for silver reserves [1] Group 2 - The company's business primarily covers photovoltaic equipment, core consumables, and smart factory solutions within the photovoltaic sector [1]

（文章来源：证券日报） 证券日报网讯 2月5日，宇晶股份在互动平台回答投资者提问时表示，公司不生产电池，以高端数控设 备制造、配套核心耗材为主营业务，主要从事硬脆材料切割、研磨抛光等设备和耗材的研发、生产和销 售。 ...