To enable the adjustment of a usable time, the enhancement of quality, the enhancement of productivity and the cost reduction, by the effective utilization of industrial waste in the production of a concrete secondary product, and to record various production data of the production of the secondary product in a factory or fresh concrete used on the building site to accurately perform quality control in production and execution.

Fresh concrete is supplied to a fresh concrete charging apparatus 2 fitted with secondary kneading function and concrete function reinforcing materials 11 such as coal ash, incineration ash, a lithic fine powder, silica fume and the like are processed into a slurry state to be supplied to a fresh concrete charging apparatus fitted with secondary kneading function to knead fresh concrete and, while filling energy is applied by a shaking type low noise molding apparatus 6, fresh concrete is charged in a molding form 7 to be molded.