PTR [PETROCHINA CO] 6-K: (Original Filing)
[中國石油天然氣股份有限公司 PETROCHINA COMPANY LIMITED (a joint stock limited company incorporated in the Peoples Republic of China with limited liability) (Stock Code: 857) Resignation of Directors, Vice Chairman and President Board Company non-executive The board of directors (the Mr. Zhang Wei and Mr. Hou Q]