seals, heat treatment services, seal design, metal gasket face seals, gas sealing materials, hermetic seals, hydraulic seals, manufacturing assembly, mechanical assemblies, mechanical components, plating services, mechanical seals, polytetrafluoroethylene (ptfe) seals, aerospace seals, axial seals, metal seals, non destructive testing (ndt), bearing seals, metal face seals, polytetrafluoroethylene (ptfe) spring loaded seals available from qualiseal technology based in chicago, il. click the links below to visit our website or contact us via our profile page.