Detailed Product Description PEI part(PEI bushing,PEI bearing,PEI bellow,etc.) are the best chemical resistance properties ... textile machinery, engineering machinery, and so on.PEI bushing,PEI bearing,PEIbar, PEI bellow,PEI tubing, PEI sheet. PEI ball ... , thermoplastic forming self-lubricating shaft, tape, ceramic industrial seals, Bearing cap, plastic gears, PU products, PVC tape, small-diameter ...