The materials of Biaolong bearing are applied in stern fin and intermediate shaft bearings of all kinds of ships ï¼?whose materials have commonalities of all the gliding bearings and are applied in all the open lubrication systems and closed lubricating systemsï¼?It is a polymer materialï¼?as the differences of using fields and lubricating mediumsï¼?multi-copolymer can meet its special requirementsz