... ,degassing system 2.sophisticated filtering systems 3.two-stage high-speen supply ZJA Double stage vacuum transformer oil filtering machineApplicationTongrui ZJA series ... with 2 pneumatic tyres, 1 pre-leg; covered steel shield. Air brake system, hand brake, rear lights, tow-eye etc. ... with 2 pneumatic tyres, 1 pre-leg; covered steel shield. Air brake system, hand brake, rear lights, tow-eye etc. ...