GB O ring is a kind of rings. These O rings are made from a material that does not degrade in sunlight and do not break easily, they also stretch well.
The features of GB O ring are that it's a toughness and waterproof. Many kinds of them are flexibility and compression slanting is even, after continuous pressure can still be under the action of repeated install and used.
GB O ring is widely used in various industries. In metal industry, it plays the important role. It has a big relationship between industry and O ring.