... and alloyed wear-resistance parts, for e.g. Axis Guide, Bearing pad, Bush, Scale board, Gearing, Worm wheel ... roller cupreous guidance, Piston ring, Gasket sealing, Slider, Roller, Impeller, Flanges, Nut, Disc, Pipelines, Stuffing box, Rack, Strapping wheel, Pump rotor and ... so on. As the techniques and molding are simple, the cost ...