welding rotator 1.CE SGS ISO9001 2.sand blasting 3.Taiwan Inverter,schneider electric,Siemens motor 4.rubber,steel,Pu roller welding rotator (turning roll, roller bed):-Composed of driving/power unit, idler unit, electric cabinet and manually controlled panel.-Manual controlled panel with buttons makes operation much convenient.-Distance between rollers can be adjusted automatically to fit pipes/ ...