The metering pump can be classified as plunger type and diaphragm type, with 25 frame bases and more than 4000 models. Capacity ranges from 0.2～30000L/h, maximum discharge pressure up to 50Mpa, fluid temperature from -95℃～450℃, and viscosity up to 6000mm/s.

     This metering pump is widely used in petroleum, chemical industry, power plant, metallurgy, environment protection, pharmacy, food, national defense and so on.