坤恒顺维：公司主要为卫星产业链用户提供各类高端无线电测试仿真仪器

Group 1 - The company primarily provides high-end radio testing and simulation instruments for users in the satellite industry, including channel simulators, signal generators, spectrum analyzers, and comprehensive testing solutions [2] - The company has established coverage across multiple downstream users in the satellite field, including manufacturers involved in satellite platform development, satellite payload development, ground stations, chips, modules, and terminals [2]