SHENZHEN SED INDUSTRY CO., LTD. is principally engaged in the manufacture and sale of electronic components and devices and electronic equipment, as well as the development and leasing of real estate. The Company operates in four segments. The Electronic Information segment consists of global system for mobile communication-railway (GSM-R), light-emitting diode (LED) lighting, green energy and commercial intelligent terminal industries. The E-logistics segment is engaged in the international cargo agent, traditional logistics, plants logistics and others. The E-commerce segment is engaged in the distribution of mobile phones and other electronic equipment through e-commerce and entity stores. The Real Estate segment is engaged in the development of real estate projects. The Company mainly operates its business within domestic market and overseas market.