Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for 1550 Nm Erbium Doped Fiber Amplifier, Tv Modulator , Adjacent Channel Modulator , Erbium Fiber Amplifier ,Hd Encoder Modulator . We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! The product will supply to all over the world, such as Europe, America, Australia,Rome , Ireland ,Botswana , Mexico .We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.