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（簡稱“競(jìng)標(biāo)方”）。這是一家香港主板上市公司全資子公司，香港總公司為：中能國際控股集團(tuán)有限公司，公司主頁為：www.sino-energyint.hk。主要專注于能源項(xiàng)目投資和促進(jìn)非洲發(fā)展項(xiàng)目，包括石油和天然氣區(qū)塊的開發(fā)，原油，冶煉產(chǎn)品的開發(fā)，其他商品的貿(mào)易，高科技研發(fā)和能源板塊的開發(fā)。