Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for 1550 Nm Erbium Doped Fiber Amplifier, Passive Node , Rf Uhf Modulator , Optical Transceiver ,Wdm Edfa . With us your money in safe your business in safe . Hope we can be your trustworthy supplier in China . Looking forward for your cooperation . The product will supply to all over the world, such as Europe, America, Australia,Ecuador , Paraguay ,Houston , Russia .As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.