It is an excellent communication equipment manufacturer, optical transceiver manufacturer and excellent communication solution and service provider in China. Ruiguang Jiyuan has formed three series of product lines of cost-effective access, transmission and exchange. All IDM series products independently developed include PCM integrated service access equipment, optical fiber multiplexing equipment, SDH/MSTP/MSAP optical transmission equipment, broadband and narrowband integrated access equipment, audio and video integrated access equipment, cluster gateway equipment, gigabit optical transceiver, PDH optical transmission equipment, POE optical fiber Ethernet switch, converter/bridge, NetGuard network management system, large, medium and small capacity telephone optical transceiver, IDM system interface card, network optical transceiver TDM Over IP/Ethernet/Mpls, field optical transmission equipment, IDM-TOP equipment, etc. The products and application solutions cover telecom operators, power, military, public security, rail transit, radio and television, finance, airports, oil fields, ports, mines and many other fields. Our customers cover all provinces, cities and autonomous regions in China, and our products are exported to Asia, Africa, Europe, North America, South America and other overseas countries. Over the past 20 years, the stable operation of millions of sets of equipment and thoughtful and efficient customer service have won the praise of the vast number of users in the industry.