Established in 1995

Tridente & Satrama Assoc. is a family-owned company founded over 30 years ago in Concepcion, Chile. We are dedicated to the extraction and commercialization of metalliferous sands on the banks of the Bio Bio River, which are used for the construction of roads, buildings, and cities.

We take care of the extraction of one of the best metalliferous sands in the world on the banks of the Bio Bio River for filling and construction purposes. We are located in Chile, but we reach all over the world.


We have a highly skilled work team, constantly seeking to improve our processes to meet the needs of our wide range of clients.


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