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 with limited liability) (Stock Code: 857) INSIDE INFORMATION ANNOUNCEMENT REGARDING THE ESTABLISHMENT OF CHINA OIL & GAS PIPELINE NETWORK CORPORATION Listing Rules Company Group PipeChina]