China Ground Store Energy Limited is an investment holding company. It operates in five business segments. The transmission segment includes manufacturing and sale of communication cables and optical cables. The shallow ground and energy segment includes provision, installation and maintenance of shallow ground energy utilization system. The environmental protection segment includes synthetical utilization of marsh gas, disposal and handling of solid garbage, rejectamenta, sewage and waste water and utilization of new energy sources. The securities investments and trading segment includes trading of securities. The corporate and others segment includes provision and sales of telecommunications network infrastructure solutions and network managements solutions. On March 26, 2009, the Company acquired 53.33% equity interest in Beijing King Feng Ever Source Thermal Energy Scientific and Technology Development Limited (King Feng).