We stick with the theory of quality first, company first, steady improvement and innovation to satisfy the customers for the management and zero defect, zero complaints as the quality objective. To perfect our provider, we deliver the items together with the fantastic good quality at the reasonable value for Erbium Fiber Amplifier, Ultra High Precision MZM Bias Controller On Q Point , ASE Laser , High Power Tunable Laser ,IQ Intensity Modulator . We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits. The product will supply to all over the world, such as Europe, America, Australia,Macedonia , Mecca ,Chicago , Buenos Aires .We are in continuous service to our growing local and international clients. We aim to be worldwide leader in this industry and with this mind; it is our great pleasure to serve and bringing the highest satisfaction rates among the growing market.