... 9001:2000 4 exported to USA 4 leaves alloy steel boat propellerMarine propellerOur propeller diameter up to 12 meters,weight up ... ,Gearbox,Shaftings,FPP,CPP,Rudder propellers,Tunnel thrusters,Azimuth thrusters,Water jets,also Main propulsion assembly.Product FeatureMaximum efficiency with minimum ...