Since found in 2003 by a group of engineers, Yuanhenghk devote to development and selling switch, router, transceiver modules --- GBIC, SFP, SFP+, Xenpak, X2, XFP, QSFP+ as manufacturer and trading company. All of modules could be compatible with most major brand such as Cisco, Juniper, Extreme, Nortel, H3C, Huawei and so on. For us, Yuanhenghk is not only a brand name but also as a commitment of quality and service. Quality: Every minor step from development to packaging in the entire ...