... -conditioner, Sanitary ware and so on.We have O ring tooling 2000sets in house, our products conform to AS568,Metric, GB ... etc.Rubber moulding over 2000 setsWorker 150Staff25QC5Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, Fluorocarbon, SBR ...