... ---- lapping or grinding group ---- rust final inspection, packaging, warehousing ---- <to be co-sleeve>. 3. Process roller roller processing of raw ... , boring, pickling )---- ---- ---- Final Inspection rust, packaging, warehousing ---- <to be co-sleeve>. Second, the bearing assembly process: Bearing parts ... and cage, etc., have passed the test, go to the assembly plant for assembly, the process is as ...