Honghuaheng Technology is based on today's society with engineering projects, automated production and: energy saving, high efficiency, accuracy as the requirements, system operation: automation, human-machine monitoring. The new system requirements such as the purpose of research and development, assembly, and created a variety of sensors: pressure sensors, temperature sensors, flow sensors and other inductive components. Industrial control class control: adjustable liquid level, pressure, flow, temperature controller, touch screen, frequency converter, PLC. Customized exclusive program system includes: water level/hydration monitoring system, oil pressure monitoring system, flow monitoring system, temperature monitoring system, fire positive pressure air supply residual pressure control system, PC interface record display various application programs, man-machine program, frequency conversion energy saving System, PLC program, etc.