PT Gunung Samudera Internasional specializes in the construction of all types of mining infrastructures needed to ensure a mine site can operate efficiently according to the highest safety standards. Beginning the journey with developing mining infrastructure at PT Ceria Nughraha Indotama in Kolaka has laid the foundation for us to provide high quality professional infrastructure at a competitive bet 400 price and develop within to a strict standard. From here, we have improved on our blueprint of how to provide the best quality infrastructure for any client we serve.