HNP [HUANENG POWER INTERNATIONAL] 6-K: (Original Filing)
[This Form 6-K consists of: Contents 2 Interim Results 2 Business Review for the First Half of the Year 3 Prospects for the Second Half of 2013 3 Management’s Discussion and Analysis (Prepared Under IFRS) 12 Share Capital Structure 12 Purchase, Sale or Redemption of Shares 12 Major Shareholding Structure 13 Material Interests and Short Positions in Shares and Underlying]