The HLS series concrete mixing system consists of a double horizontal shaft forced mixer that applies industrial microcomputer control and electronic scale measurement allowing for high measurement precision and minimal error. Provided with screen display, formula memory, dynamic zero point tracing, automatic drop compensation, production management, physical consumption and calculation, printing and monitoring features, capable of both manual and automatic control of the mixing process, and featuring professional structural design, safe and reliable service, satisfactory concrete quality, fast operation and accurate measurement, the system is an ideal choice for all building contractors, utilities, highways, ports, bridges, airports, prefabricators and commercial concrete manufacturers.