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Recent Project

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About Us

PT. Diagram Triproporsi Engineering Consultant was founded in 1980 with intensive projects portfolio in ports, harbors and urban drainage. Read more...

Contact Info


+62 (021) 4701356
+62 (021) 4701357

E-mail : project@diagramtriproporsi.com


Agnesia Building 2nd floor, Jl. Pemuda 73B Jakarta Indonesia 13220