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]

Group 1 - The company, Yujing Co., does not manufacture batteries but focuses on high-end CNC equipment manufacturing and core consumables [2] - The main business activities include research, production, and sales of equipment and consumables for cutting, grinding, and polishing hard and brittle materials [2]