China’s Huaneng Power International, Inc said it recently signed medium-to-long term coal supply agreement with Shaanxi Coal Group Company. Huaneng will receive 5.29 million tonnes of high-quality thermal coal in 2005, 6.09 million tones in 2006 and 8.25 million tones in 2007. The two sides have determined the basic price for 2005 and the price…