Shenzhen Haili Link Technology Co.,Ltd. was founded in 2007. We are specialized in manufacturing, marketing, design of optical products. Hilink provides DWDM CWDM SFP,XFP QSFP, optical fiber transceivers, and DWDM CWDM WDM solutions. We offer to our customers with high performance, cost-effective and competitive products,to set up long-term and win-win relationships with global customers, such as Russian Patrols , Sweden Telecom, United states TX ISP etc.