Due to strict domestic environmental protection controls, many major provinces of raw material and chemical have cut off electricity and restricted production. Coupled with the impact of the international situation, the prices of raw materials have risen sharply, such as white carbon black, steel cord have directly risen by 1,000 yuan per ton recently. The price increase of tires since last year was not as much as the increase of raw materials, and many costs could not be passed on to the market, and the factory was in huge losses. Under this circumstance, our company had to face the price increase. After receiving the notice from our Financial Department, it is expected that the price will increase on October 15, and the specific extent of the increase will be notified in time after receiving the news .