... by ABS,BV.CCS,DNV,GL.LR,NK,etc., and abtained the authentication certificate of Quality System ISO9001:2000.Product ... pressure pulse fluctuations on the hull to minimize noise and vibration levels on board.Product Specification/ModelsMaximum efficiency with ... system for container ships.cargo ships,tankers,bug boats,trawlers and fishing boats etc. Including Main engine,Gearbox,Shaftings,FPP,CPP, ...