Automobile processing and manufacturing belongs to industry.

Automobile sales are an important part of consumer spending, which can well reflect consumers' confidence in economic prospects. Usually, car sales are the first-hand information to understand the strength of a country's economic cycle, which is earlier than other personal consumption data. Therefore, automobile sales provide a good forecast for the retail sales and personal consumption expenditure announced later, accounting for 25% of retail sales and 8% of total consumption. In addition, car sales can also be used as an early signal of economic recession and recovery.

Commerce is a commercial economic activity in which money is used as a medium to exchange and realize the circulation of commodities. Business can be divided into broad sense and narrow sense. Business in a broad sense refers to all profit-making undertakings; In a narrow sense, business refers to for-profit enterprises specializing in commodity exchange activities. The first thing that affects the manufacturing industry and then the business is the shortage of raw materials. Commerce is an organized behavior to provide goods and services that customers need. However, some commercial activities are just to provide the basic funds needed for business operations, which are generally called non-profit, such as various foundations.