IKOM Technical team has been committed to the deep research of sprinkler product performance, continuous innovation, is the industry's leader in technological progress. Professional construction machinery needs professional system unit design and development, so that each system can be better matched. The working principle of the sprinkler is composed of control unit and execution unit, hydraulic system of execution element and asphalt conveying system. The asphalt conveying system consists of pumps, valves and pipes. The performance of the valve has a great influence on the performance of the sprinkler.