We are cement manufacture from Indonesia. We produces cement and clinker. Clinker is a semi-finished material to make cement, if it is ground with gypsum and other minerals may be added. Clinker forms in the form of lumps or nodules with a general size of 3 millimeters (0.12 in) to 25 millimeters (0.98 in) in diameter.
Clinker, cement.Manufacture
Cement and clinker cement : portland composite cement and ordinary portland cement clinker: portland clinker type 1,.