主营产品：轴承; SF-1无油轴承; SF-2边界润滑轴承; JDB固体镶嵌式润滑轴承; FB系青铜轴承; JF双金属轴承; FR四氟软带轴承; SF系止推垫片; JTW标准止推垫片; JSP标准滑板; JTP自润滑板; 铜套;