... (CR),Styrene(SBR) ,CR,ACM,PU etc.Application: O ring is widely used in different industries: Auto, Machinery, Electronic, Water facility, Valve ... , Air-conditioner, Sanitary ware and so on.We have O ring tooling 2000sets in house, our products conform to AS568,Metric, GB ... so on.Choose our O ring has the below reason:Our O rings in high quality,precision size.Our O rings have the excellent ...