Single-row ball slewing ring bearing, featured in 4 point contact ball, an advanced structure in the world,is ideal parts for the machineries which need a relative rotation and stand a axial force, a radial force and a force of toppling movement at the...
crossed roller slewing bearing...
CHINT auto-darkening filter can automatically turn light from dark state as the weld arc flashing. While the flashing stops, it returns to light state again. Various types of welding helmets are all suitable for different welding methods. You can adjust...
Auto-darkening welding helmet...
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