... oil proof,shock proof etc. 4.ODM,OEM as your drawing 1.durable in liquid material,mineral oil,lubricant ... abrasion resistance etc.sizeAs your drawing or sampleUsageAuto,equipment,machine,industry,ship,computer etc.SampleFreeProductionDepend on the items shapeColorBlack,gray,white ... .Over 138 sets domestic and foreign equipments,such as rubber mixing millings,plate vulcanization machine,spraying device ...