... .5~20hot-rolling, hot-rolling-spheroidizing, phosphorizingbearing rolling element, redrawing wireDalian JinniuHot-Rolled Bard18~130hot-rolling, hot-rolling-spheroidizing, hot-rolling softening annealingbearing inner ... Bard8~60cold-drawing, cold-drawing+annealing+pickling-cold-draswing+annealingrolling element(ball bearing, roller bearing, needle roller), micro bearing inner and ...