We are the pioneer in this field also! with signing the contract of the first upgrading job in cement plants of in IRAN as turnkey project.
The contract was signed in 2003 with Ardebil Cement Co. to upgrade  the Ardebil plant existing production line from (2300 tpd) to (3500 tpd). The kiln feed and preprocessing depts. are going to upgrade in this project.
The upgrading procedures are being done by establishing a new Preheater parallel with existing one.
T he KHD Humboldt wedag is one of our foreigner partners to supply some portion of equipment and engineering.
T he whole jobs of feeding Dept., new Preheater, kiln, clinker cooler and transport upgrading are being done by DIECO.
The project signed in 2003, began in the middle of 2004 and will be finished in 2006.