... 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 ... ether ketone, hydraulic oil seal, rubber pipe, water pipe fittings, food grade rubber ring, seals, insulation rings, shower rubber ...