1.Imported Raw Material,Manufacture/ISO9001:2008 2.Complete QA Equipment,ERP management 3.OEM/ODM hydraulic seals O ring hydraulic seals Discription of products Name of productHigh quality o ring hydraulic sealsMaterialNBR,HNBR,EPDM,VITON,FPM/FKM,SILICONE,CR,NRHardness 30-90 shores A Feature Resistance to oil,water, abrasion Temperature-50°C~250°C Standard AS568,BS1516,JIS B 2401Color As per your ...