... .LR,NK,etc., and abtained the authentication certificate of Quality System ISO9001:2000.Product FeatureHighest propulsive efficiency in all operating conditions,Excellent ... ,tankers,bug boats,trawlers and fishing boats etc. Including Main engine,Gearbox,Shaftings,FPP,CPP,Rudder propellers,Tunnel thrusters,Azimuth thrusters ...