micromodule fiber cable https://www.sdgicable.com/products-detail/Micromodule-Integrated-Optical-Fiber-Cable.html Shenzhen SDG Information Co., Ltd. (SDGI) is a state-controlled high-tech enterprise listed on Shenzhen Stock Exchange in 2000, whose main shareholder is Shenzhen SDG Co., Ltd. - an enterprise directly managed by Shenzhen SASAC.