型号：#25;#35 (上截面宽度)

Model: # 25; # 35 (cross section width)

产品介绍：免保养，低维修，无需润滑管路系统与设备，使用寿命超长，长期自动维持轨道表面润滑油膜保护。

Product introduction: free maintenance, low maintenance, without lubrication piping systems and equipment, long service life, automatic keep track surface oil film protection for a long time.