C - MANUFACTURING CAEN Code 2351: Manufacture of cement This class includes: manufacture of clinkers and hydraulic cements, including Portland, aluminous cement, slag cement and superphosphate cements This class excludes: manufacture of refractory mortars, concrete etc, see CAEN 2320 manufacture of ready-mixed and dry-mix concrete and mortars, see CAEN 2363, CAEN 2364 manufacture of articles of cement, see CAEN 2369 manufacture of cements used in dentistry, see CAEN 3250 Previous Next