Liên hệ:
MS. Nguyen Phuong Mai
T: +84 24 7306 8868 Ext:1108 | M: +84 936 344 199| F: +84 24 37951071
E: [email protected] Web: www.opec.vn Skype: [email protected]
A: 13th Floor, BIDV Tower, No 194 Tran Quang Khai Str., Hoan Kiem Dist., Hanoi, Vietnam
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