... .Certifications:ISO/TS16949,ISO9001,ISO14001,UL4.Characterstic:Ozone resistant,High/Low temperature resistant,Aging resistant,Oil resistant,Wearable etc ... highly pride on our ability to provide our customer with quality rubber components and first-class customer service.OEM orders ... can have a good talk through this!if not ,do not hesitate to send me an E-mail. rubber processing parts with high quality ...