Circular cold mending adhesive patch for inner tube, can repair circular injure in inner tube. The circular cold patch is made up of two parts: half sulfuration touch part and whole sulfuration fortified part. By using the rubber solution for inner tube, the circular cold patch could finish the sulfuration process without heating, so the patch and the inner tube become one whole part.

Patch plug is a kind of tire repair material, which is specially made with a stem and patch integrating. It provides a stable and lasting service for the injury of radial tire. It combines the advantages of the stem and patch, esp., in the repairing processing of a simple injury or a vertical inside of the hole etc, small nail hole, which embodies the completeness, economy and convenience.