PTR [PETROCHINA CO] 6-K: 中國石油天然氣股份有限公司 PETROCHINA COMPANY LIMITED (a joint stock limited
[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) CLOSING OF THE DISPOSAL AND EXTERNAL INVESTMENT CONCERNING THE PIPELINE BUSINESS AND ASSETS Company Circular We refer to the announcement o]