DYWIDAG, established by Dyckerhoff and Willmanns in 1868, is a German construction company. They pioneered the first system to reinforce concrete using steel bars, paving the way for various modern structures like bridges and high-rise buildings.

Established in Jakarta 23rd April 1996 as J V Company with the name PT. Citra DYWIDAG-Systems. PT Citra DYWIDAG System is part of the legacy of innovation initiated by DYWIDAG, which developed reinforced concrete technology and provides high-quality services and products for construction projects in Indonesia.

In 2002, PT Delta Systech Indonesia became the official agent and licensee of the company in Indonesia. This change marked a significant step in solidifying the company's position as a major player in the construction industry in Indonesia.