We have been experienced manufacturer. Wining the majority of your crucial certifications of its market for 1310nm Optical Relay Station, Wdm Optical Receiver, Edfa Module, Mini Ftth Optical Receiver,10dbm Edfa. We have now ISO 9001 Certification and qualified this item .in excess of 16 years experiences in manufacturing and designing, so our items featured with best quality and competitive selling price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Moscow, Sudan,Niger, Hungary.Our company will continue to serve customers with best quality, competitive price and timely delivery & the best payment term! We sincerely welcome friends from all over the world to visit& cooperate with us and enlarge our business. If you are interested in our products, please do not hesitate to contact us, we will be happy to provide you with further information!