As the basis of the automobile industry, auto parts are the necessary factors to support the sustainable and healthy development of the automobile industry. In particular, the current auto industry is undergoing vigorous development and independent development and innovation, and it needs a strong component system to support it. The independent brand and technological innovation of the whole vehicle need parts and components as the basis. The independent innovation of the parts and components has a strong driving force for the development of the whole vehicle industry. They are mutually influential and interacting. There is no independent brand of the whole vehicle, and a powerful parts system. The R&D and innovation capability is difficult to break up. Without the support of a strong component system, the self-owned brand will be difficult to sustain.

From January to December 2005, China's total auto parts and accessories manufacturing enterprises realized a total industrial output value of 383,800,955,000 yuan, an increase of 18.67% over the same period of the previous year; the cumulative product sales income reached 375,265,815 thousand yuan, an increase of 20.21% over the same period of the previous year; The accumulated total profit was 21,462,002 thousand yuan, a decrease of 9.09% over the same period of the previous year.

From January to December 2006, China's total auto parts and accessories manufacturing enterprises realized a total industrial output value of 539,704,996 thousand yuan, an increase of 34.35% over the same period of the previous year; the cumulative product sales income reached 527,234,933,000 yuan, an increase of 34.71% over the same period of the previous year; The accumulated total profit was 32,605,655,000 yuan, an increase of 46.79% over the same period of the previous year; as of the end of December 2006, the number of enterprises above designated size in the industry was 6,142.

From January to November 2007, all of China's auto parts and accessories manufacturing enterprises realized a total industrial output value of 683,525,503,000 yuan, an increase of 37.34% over the same period of the previous year; the accumulated product sales revenue reached 663,529,269 thousand yuan, an increase of 37.45 over the same period of the previous year. %; realized total accumulated profit of 48,487,363 thousand yuan, an increase of 68.61% over the same period of the previous year; as of the end of November 2007, the number of enterprises above designated size in the whole industry was 7,171.