Many national and international renowned companies trust Petrone Oleodinamica Co.Ltd. and collaborate with it:

1) The Italian Railways "Ferrovie dello Stato" (a collaboration which lasts from 1990) for:

• transformation works of simple machines into special ones, to perform particular activities;
• complete overhaul of every oleodynamic element of machines like Tampers, Restorers, Forming machines, Loaders.
• transformation of locomotives with mechanic traction into locomotives with hydrostatic traction.
  

2) C.E.A.V. (European Association for High Speed Lines):
Since 2000 Petrone oleodinamica Co.Ltd. is the official supplier of C.E.A.V., the European Association for High Speed Lines, for services like:

• transformation works of simple machines into special ones, to perform particular activities;
• complete overhaul of every oleodynamic element of machines like Tampers, Restorers, Forming machines, Loaders.
• transformation of locomotives with mechanic traction into locomotives with hydrostatic traction.
• Full supplying of pumps and gears, plunger pumps (with broken and closed circuit), blade gear and plunger engines, every kind of valves and high pressure pipes.
  
  
  

3) Petrone oleodinamica Co.Ltd. is the official retailer of the following firms:

· SAUER DANFOSS
· REXROTH-HIDROMATIK
· POLIPAC
· DENISON
· PIRELLI-Tubi
· VICHERS