... )heat resisting 4)fast delivery Custom NR rubber seal ring:1.Product NameNR rubber seal ring2.Country of OriginChina Mainland3.Advantage A. ... termL/C,T/T,cash,western union,cash,etc11.Hardness:40~80 shore A12.Tensile strength:15~35MpaHaining Yaoming Rubber Co., ... specialization company. Our main products are rubber seals, oil seals, hydraulic seals, rubber sheet, rubber mat, O-ring, auto and motorcycle ...