... , chemical engineering, energy industry, food industry, environmental protection and water conservancy etc.Characteristicsl Measurement flow of liquid, gas, steam, ropy ... anti-impurity.eg. other flow meter can not test waste water, impurity fuel, base oil...but, we can2.target type ... execute GB/T9115.1~9115.4~2000 series standard. For pipeline type, small diameter flowmeter of DN6, DN8, DN10 etc. ...