... Inverter,schneider electric,Siemens motor 4.rubber,steel,Pu roller welding rotator (turning roll, roller bed):-Composed of driving/power ... reducer pressure on pipes/tanks. Inveter: Taida from Taiwan. welding rotator/turning roller: CE SGS ISO certificate;sand blasting;VFD ... rubber,steel or Pu roller;schneider electrics Type : HGZ-5 / Self-aligned Main Consistent: one power unit , one idler unit and ...