Adhering into the principle of "quality, provider, performance and growth", we now have gained trusts and praises from domestic and intercontinental consumer for optical module, Span Tap Switch , Wan Taps , Inline Network Monitor ,Network Data Processing . Many years of work experience, we have realized the importance of providing good quality products and the best before-sales and after-sales services. The product will supply to all over the world, such as Europe, America, Australia,Tunisia , Rio de Janeiro ,Uganda , Chicago .We adhere to the honest, efficient, practical win-win running mission and people-oriented business philosophy. Excellent quality, reasonable price and customer satisfaction are always pursued! If you are interested in our products, just try to contact us for more details!