Rubber grommet certificate:ISO9001,RoHS,REACH,UL,FDA Excellent quality and reasonable prices Detailed Product DescriptionRubber grommet1. ... :NBR,SBR,NR,NEOPRENE,SILICONE,FKM etc.2.certificate:ISO9001,ISO14001,RoHS,REACH,UL,FDA3.advice: We can design and produce according ...