中晶科技(003026.SZ)：暂不涉及贵金属业务

Core Viewpoint - Zhongjing Technology (003026.SZ) is a national high-tech enterprise specializing in the research, development, production, and sales of semiconductor monocrystalline silicon materials and products, with a wide range of applications in various fields such as automotive electronics, consumer electronics, communication security, and new energy [1] Company Overview - The company’s product offerings include semiconductor crystal rods, grinding wafers, etching wafers, polishing wafers, and semiconductor power chips and devices [1] - The company does not engage in precious metals business [1]