宇环数控：主要从事数控磨削、拉削设备的研发、生产、销售与服务

Group 1 - The company, Yuhuan CNC, primarily engages in the research, development, production, sales, and service of CNC grinding and lapping equipment, with a long-term technical accumulation in the consumer electronics sector [1] - In the first half of 2025, the company achieved revenue of 124.92 million yuan, representing a year-on-year growth of 33.35%, accounting for 55.79% of the company's total revenue [1] - The company plans to actively monitor changes in materials and production processes in the consumer electronics industry, aiming to meet the equipment demand through effective customer technical exchanges and validations [1]