Ningbo Robon Sealing CO.,LTD produced various rubber products: rubber seal, rubber o ring , Ed Ring, o ring cord, rubber flat washer, special parts and other rubber products. The main material we used are FKM,NBR EPDM, VITON, AFLAS, CR, HNBR, SILICON, FFKM, PU or approved by FDA, NSF, WRAS etc. We have the most advanced vulkameter, hardness tester, projectors, image instrument, tensile testing machine, and other professional testing equipments.
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