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

MAIN OFFICE :

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

E-mail: ptdiagram@diagramtriproporsi.com

ADDRESS :

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

Location