PUR Sealed ring, also known as O-shaped sealing ring, is a kind of accessories used for sealing. It mainly includes V-shaped sealing ring, U-shaped ring, O-shaped sealing ring, rectangular sealing ring, Y-shaped sealing ring, and YX-shaped sealing ring for holes. Ring, YX type retaining ring for hole, YX type retaining ring for shaft, YX type sealing ring for shaft, etc.