- Business
- Shenzhen SDG Information Co., Ltd. Shenzhen SDG Information Co., Ltd. (000070.SZ), founded in 1988 and headquartered in Shenzhen, China, is a state-controlled national high-tech enterprise principally engaged in the research, development, manufacture and sale of optical communication products and related services. The company operates four major business segments—cable manufacturing, smart services, system integration and property assets operation—offering optical fiber; optical cable, including power optical cables, indoor cables and common optic cables; power cables; communication equipment such as optical distribution products, optical transmission and access equipment, intelligent terminals including passive optical network terminals, wireless routers, IPTV set-top boxes, splitters and smart routers; military aviation communication equipment, data recorders and ballistic computers; wiring network equipment; and electronic components like aluminum electrolytic capacitors; as well as optical communication, electric power communication and data center solutions, with products serving telecommunications, mobile communications, radio and television, electric power, railways, oil fields, mines, national defense, aviation, artificial intelligence buildings and consumer/industrial electronics sectors across China and sales networks in more than 40 countries and regions worldwide. It maintains industrial bases and over a dozen wholly-owned or holding subsidiaries, including Shenzhen SDG Information Optical Fiber Co., Ltd., Changzhou SDG Huayin Wire and Cable Co., Ltd., Chongqing SDG Information Optical Cable Co., Ltd., Optical Network Technological Co., Ltd., Shenzhen DONZHI Technology Co., Ltd. and Chengdu Fuliye Electronic Technology Co., Ltd., under the control of main shareholder Shenzhen Tefa Group Co., Ltd. Recent developments include the fine-tuning of its property leasing sector to property assets operation for greater business accuracy; renewal of property management service contracts with Shenzhen Tefang Service Co., Ltd. affiliates set to expire in July 2025; revocation of other risk warnings for its stock trading in July 2025 following a one-day suspension; approval to raise its aluminum futures hedging quota, contributing to a 10% share price jump; and the 2023 acquisition of a 70% stake in ATOP Corporation via acquisition and capital increase, establishing it as the controlling shareholder while retaining ATOP's management.