# Driven by the rising cost of raw materials, especially the prices of key raw materials such as natural rubber and carbon black have risen sharply, and the global tire industry has ushered in a wave of price increases.
Zhongce Rubber Group has raised the three products of all-steel TBR by 2%-3% since February;
Qingdao Senkirin Tire since February 1, the overall increase of 3%-10%;
Dalian Goodyear Tire since January 1, the average increase of 2%-3%;
Continental Horse tire since February 1, the largest increase of about 3%;
Dunlop Tyres increased overall by 3% from January 1;
Michelin since January 20, China and Mongolia truck, light truck tires and other products increased by 3%-8%;
Shanghai Shuyan Tire from January 1 to implement the new price system;
Bridgestone's maximum adjustment from Feb. 1 is 6 percent.