Good quality. Chaoyang No.1 tire adopts "Hybrid Formula Premium Edition" super hybrid rubber formula, with golden ratio diversion groove and chamfer design, which enhances tire grip and braking performance, shortens the braking distance in wetland and ensures driving safety. And the design of 24-bolt Soundbolt array is adopted, which is similar to the 3D active noise reduction technology of continental brand, breaking the groove to produce coherent and unified vibration air noise, and improving driving comfort. So the quality of Chaoyang No.1 tire is good.