... bevel gearboxes,linking shafts,couplins,electric motor etc. Heavy duty lifting platform configuration: screw jacks,bevel gearboxes, ... system,following NOSEN engineers autoCAD drawings.Heavy duty lifting platform features:1.Heavy duty,self locking,positioning precision,uniform lifting ... system......eight jacks lifting system are avaiable.3.Power source: manually, electrically or both.4.Extremely ...