We are a Leading Manufacturer, Wholesaler, Suppliers of O-Rings. O-rings are a type of mechanical gasket in the shape of a torus (doughnut). They are designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. O-rings are commonly used to prevent the leakage of liquids or gases in a wide range of applications, and they are widely employed in hydraulic and pneumatic systems, engines, pipe fittings, and various other machinery.