Tang Energy (Beijing) Technology Co. Ltd. This is a wholly owned subsidiary of Hongkong main board listed companies, focusing on the energy project investment and projects development in Africa, including oil and gas blocks exploration and development, crude oil, refined products, other commodities trading,and high-tech research and development in the energy sector.  唐能科技（北京）有限公司（简称“竞标方”）。这是一家香港主板上市公司全资子公司，香港总公司为：中能国际控股集团有限公司，公司主页为：www.sino-energyint.hk。主要专注于能源项目投资和促进非洲发展项目，包括石油和天然气区块的开发，原油，冶炼产品的开发，其他商品的贸易，高科技研发和能源板块的开发。