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This is to certify that your paper entitled «A Comparative Review of Additive Manufacturing Infrastructure in Iran and China for the Production of Mechanical Engineering Components» was indexed with 24 pages, in the CIVILICA citation database, code COI:ECME32_030, after evaluation and approval of the referees of the "32nd National Conference on Electrical, Computer and Mechanical Engineering held in Shirvan 2026.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.