... Neoprene(CR),Styrene(SBR) ,CR,ACM,PU etc.Application: O ring is widely used in different industries: Auto, Machinery, Electronic, ... -conditioner, Sanitary ware and so on.We have O ring tooling 2000sets in house, our products conform to AS568, ... etc.Rubber moulding over 2000 setsWorker 150Staff25QC5Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, Fluorocarbon, ...