| 1. | The company is mainly engaged in scientific research , development , manufacture , operation and international trade of cable tv broadband cisn product , network software , network system engineering , series product of digital tv front end , digital satellite receiver , digital cable tv set - top box , optical transmission equipment , digital tuner , optical electronic devices , etc
公司主要从事有线电视宽带综合信息网络产品、网络软件、网络系统工程、数字电视前端系列产品、数字卫星接收机、数字有线电视机顶盒、光传输设备、数字调谐器、光传输器件的科研开发、生产制造、经营销售和国际贸易业务 |
