至纯科技：公司主要围绕集成电路晶圆制造和先进封装领域为客户提供制程设备、高纯工艺设备和系统

Group 1 - The company focuses on providing process equipment, high-purity process equipment, and systems for integrated circuit wafer manufacturing and advanced packaging [2] - The company also offers related electronic materials and professional services to its clients [2]