... sewage pump 2centrifugal sewage pump 3OEM provided,CE,ISO Shijiazhuang impurity pumps Co.,Ltd is the base of slurry pump,slit pump, desulfurization pump and sewage pump ... can produce more than 500 kinds of pump products for the line of metallurgy,mine,electric power,coal ,petrol ... by bearings, able, installed in the bearing, adopt thin oil or grease lubrication.The pump has reliable performance, stable ...