HNP [HUANENG POWER INTERNATIONAL] 6-K: (Original Filing)
[This Form 6-K consists of: 1. 2. 3. Document 1 THIS CIRCULAR IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION If you are in any doubt If you have sold or transferred NON-PUBLIC ISSUANCE OF A SHARES UNDER THE GENERAL MANDATE A notice convening the EGM to be held at 9:00 a.m. on 16 May 2017 at the h]