1.Material: NBR 2.OEM quality and TS 16949 certificates; 3.factory price Products name O-ringExperiencemore ... than 40 years` experience in rubber parts producing and mold developmentMaterialNBR,ACM,FKM,EPDM,VMQ,etc.Temperature-50 to ... customer ideaDimension Depended on your demand Colordepended on your demand Static and Dynamic Sealing ,O-ring