The present situation of producing, standard, quality and extend producing licence for bearing steel in China was summarised.
综述了目前我国轴承钢生产、标准、质量现状和生产许可证发放情况。
High Quality steel - Ultra clean steel to extend bearing life by up to 80%.
使用超纯精钢锻制，使用寿命延长80%。
High quality bearing steel is selected to prolong the beering's service life.
轴承选用精制轴承钢，使用寿命长。
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