Shenzhen Sharetop Technology Co.,Ltd is a professional manufature of CWDM/DWDM/optical switch optical line protection and transmission equipment who provide high quanlity products and intelligent management solution for our customers .we set up from 2010,headquartered located in Shenzhen,With the concept of "scientific and technological innovation, win-win cooperation, honesty and efficiency, first-class service", rapid growth into the best supplier in telecommunication industry,and has a big R & D team , production workshop and a professional engineer team for after-service .By 2017 , our annual output value has exceeded 7 million dollars . More than 2,000 transmission equipment are in stable operation , Spread all over Southeast Asia, the United States and Russia. they are all working well over 3 years.