Double Coin (Chongqing) Tyre Co. Ltd has been deeply involved in the field of tire noise for many years. It has established a cooperation platform for tire noise testing and research with the Institute of Acoustics of Tongji University, and has a leading position in domestic tire noise in-door testing methods. The platform has jointly constructed standards: “Tire Noise Testing Method: Drum Method ” and “Test Method for Tire Inertial Sliding Passing Noise “, have obtained the engineering laboratory certification of the China Petrochemical Association. The noise engineering laboratory is currently one of the domestic benchmark laboratories and has participated in the promotion of the international standard ISO jobs.
