经过广大航天科技人员的努力,我国已研制出东方红二号和东方红三号通信卫星平台。目前我们正在加紧研制东方红四号平台,目标是达到国际上A2100、FS-1300和“空间客车”3000平台的水平。了解国际商业通信卫星在轨运行的可靠性及其主要故障情况,特别是了解保险界如何看待在轨卫星 After the efforts of the majority of aerospace scientific and technological personnel, China has developed the Dongfanghong II and Dongfanghong-3 communications satellite platform. At present, we are stepping up the development of Dongfanghong No.4 platform with the goal of achieving the international level of A2100, FS-1300 and “Space Bus” 3000 platform. Understand the reliability of ISCOM satellites in orbit and their major failure situations, and especially understand how the insurance community views orbiting satellites