HNP [HUANENG POWER INTERNATIONAL] 6-K: (Original Filing)
[This Form 6-K consists of: ISSUE OF SHORT-TERM DEBENTURES As resolved at the 2012 annual general meeting of Huaneng Power International, Inc. (the "Company") held on 19 June 2013, the Company has been given a mandate to issue short-term debentures (in either one or multiple tranches on rolling basis) with a principal amount of up to RMB15 billion (which means]