rubber silicone o ring 1.water, oil resistance, anti-aging 2.silicone,rubber material 2.FDA,ROHS,SGS Certificate Factory history8 yearsFactory area3700m2CertificateSGS, ROHSMachines(20sets)Rubber mixer, Automatic slitting machine, Slicer, Flash device, molding equpment etc.Rubber Mouldingover 2000 setsWorker 150Staff25QC5Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), ...