Shenzhen Topnet System Limited

As a National High-Tech enterprise, Topnet System specializes in optical transceiver R&D, manufacturing, Topnet System builds its R&D and manufacturing facilities in Yuehong Building. With more than 20 field offices and warehouses distributed across China, Topnet System is capable of timely supplying products to both domestic and overseas customers, such as carriers, network equipment manufacturers, and system integrators. Topnet System’s founders and management team consist of industry veterans and have on average over 20 years of experience in module sales, R&D, manufacturing and management. Armed with high-speed optical packaging capability, high frequency&dense circuitry design and high-speed optoelectronic signal integration, Topnet System offers a broad range of networking and communication solutions in following categories: Optical Transceivers, SFP, 10G SFP+, 25G SFP28, 40G QSFP+, 100G QSFP28 , 200G QSFP56 ; 400G QSFP-DD, Direct Attach Cables (DAC), Active Optical Cables (AOC), Ethernet Media Converter, Fiber Optical Patchcord, BWDM, CWDM, DWDM Mux/Demux and 100G Repeater products.