1 alloy steel boat propeller 2 OEM available 3 ISO 9001:2000 4 exported to USA 4 leaves alloy steel boat propellerMarine propellerOur propeller diameter up to 12 meters,weight up to 120 tonnes,meterial available Cu1,Cu2,Cu3,Cu4.Our products are all available approved by ABS,BV.CCS,DNV,GL.LR,NK,etc., and abtained the authentication certificate of Quality System ISO9001:2000.We design and supply ...