Kedu ihe ndị bụ isi e ji eme ihe nkedo? Kedu ihe ndị bụ isi e ji eme ihe nkedo? Polyurethane, ígwè a kpụrụ akpụ na ígwè a kpụrụ akpụ, wiil rọba nitrile (NBR), roba nitrile, wiil rọba eke, wiil silicone fluororubber, wiil rọba chloroprene, wiil rọba butyl, roba silicone (SILICOME), EPDM rub...
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