Shaoxing ZKTel Equipment Co., Ltd, as a leading manufacturer, was established in Shaoxing, Zhejiang province, which is the only supplier of optical modules based on si-photonics in China. We are company specializing in design, R&D production and sale of optical components(TOSA, ROSA, BOSA), optical modules(PON, SFP, SFP+)and sub-system. In addition, we can assure our price is very competitive as the first-hand supplier with our own factory. If you are interested in our products, it's our pleasure to offer more information to you.