... classify 1.PU Coating: Steel Coated with PU, 2.Bearing Coated With PU, 3.Plastic Coated with PU, 4.Rubber ... Coating PU Coating: Steel Coated with PU, Bearing Coated With PU, Plastic Coated with PU, Rubber Coating Roller ... rollers, trademark machine roller, rubber tire, PU wheel, paper pressing wheel, rubber and plastic truck wheel for printing, electronic, textiles, wood, plastic, machinery. ...