HNP [HUANENG POWER INTERNATIONAL] 6-K: (Original Filing)
[This Form 6-K consists of: 1. 2. Announcement 1 (a Sino-foreign joint stock limited company incorporated in the People's Republic of China) (Stock Code: 902) POWER GENERATION WITHIN CHINA INCREASED BY 24.89% IN THE FIRST QUARTER OF 2017 Huaneng Power the Company According to the preliminary statisti]