Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" and the theory of "quality the basic, belief the very first and management the advanced" for Dual Power Snmp 1-4 Output 23dbm Only 1550 Edfa, Receiver With Optical Input , Headend Amplifier , 1550nm Amplifier 13dbm ,Rf Modulator 2 Inputs . We have professional products knowledge and rich experience on manufacturing. We always believe your success is our business! The product will supply to all over the world, such as Europe, America, Australia,Botswana , Bogota ,Afghanistan , Malaysia .With the development and enlargement of mass clients abroad, now we've set up cooperative relationships with many major brands. We've our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the "quality first, customer first, We are provideing high-quality, low-cost items and first-class service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.