Tente technology, ISO9001:2000 enterprise, is one of the most important no-power devices manufacturer. There are five branch companies, business offices ,two brand Topser & the business is all over the world such as Europe and American, Asia and etc. Tente is one of the most competitive enterprises in fiber optical communcation field for both passive products and active products, there are more than ten kinds of first-class competitive products in the world. Products we offer:Fiber Optic Patch cords/Connectors/Pigtail/Cables, Adapters, Attenuators, Couplers, WDM & Laser Fault DetectorOptical Fiber Boxes/ODF/Fiber Splice ClosureMedia Converters , Transceiver and TransmitterOur quality is good, and price is very competitive . OEM & ODM orders are welcome!