What does automotive production qualification mean?

[MacAvery]

Automotive production qualification refers to the necessary certifications that vehicle manufacturing enterprises must possess. Vehicle production qualifications are categorized into six major types: special-purpose vehicles, trailers, motorcycles, buses, trucks, and passenger vehicles. These qualifications can only be obtained after passing the review and approval by the Ministry of Industry and Information Technology. Without production qualifications, vehicle sales are prohibited. Below is an introduction to automotive engines: 1. Classification of engines: Based on power sources, automotive engines can be divided into diesel engines, gasoline engines, electric vehicle motors, and hybrid engines, among others. 2. Principle of engines: Common gasoline and diesel engines are both reciprocating piston internal combustion engines, which convert the chemical energy of fuel into the mechanical energy of piston motion and output power. Gasoline engines feature high rotational speed, lightweight, low noise, easy starting, and low manufacturing costs; diesel engines have a higher compression ratio, superior thermal efficiency, and better economic and emission performance compared to gasoline engines.