求翻译：京信电力集团有限公司（简称京信电力）成立于1987年3月，是一家有大型国企和大型外企投资，主营投资运营大型环保型火电、水电、风电、大型煤矿、煤炭仓储、油气、油气仓储、大型码头、船务、大型工业企业、大型工业园及金融、投资银行等行业和兼营国内外贸易的大型综合性能源集团。是什么意思？

Comba Power Group Limited (Comba power) was established in March 1987, is a large state-owned enterprises and large foreign investment, the main large-scale investment in environmentally friendly thermal power operation, hydropower, wind power, large-scale coal mines, coal storage, oil and gas , oil

Jing Jing Electric Group Co. , Ltd. (abbreviated as electricity) was established in March 1987, is a large state-owned enterprises and large-scale foreign investment, business investment run a large-scale environmental protection type fire power, hydropower, wind power, large-scale coal, oil, and ga

Beijing Letter Electric power Group Limited company (i.e. Beijing letter electric power) was founded March, 1987, was one has the large-scale state-owned enterprise and the large-scale foreign enterprises invests, main camp investment operation large-scale professions and concurrently camp domestic

Beijing letter power Group Limited (short Beijing letter power) established Yu March 1987, is a has large State-owned enterprises and large foreign investment, specializing in investment operations large environmental type thermal power, and hydropower, and wind electric, and large coal mine, and co

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