Electromagnetic, mechanical diaphragm metering pump, electromagnetic with digital display control stability. Simple and easy to operate, can accept external automatic control. Applicable to a variety of wastewater treatment environment, pharmaceutical industry, water plants, boiler water supply, chemical plants, printing plants, hotels and restaurants. Rigorous assembly process, IP54 waterproof and dustproof. Multiple models to choose from, precise settings for easy use, stable operation, high corrosion resistance, high metering accuracy, manual/automatic control., Manufacturer: TRDEWR