Automobile applications in people's lives more and more widely, and the application of automotive electronics technology has almost penetrated into all the car system, China has become the world's third largest automobile producer, the world's major car manufacturers have been in the same investment and construction, Forced by cost pressures, most auto manufacturers are gradually promoting the import of zero import, which gives China's automotive electronics components manufacturing enterprise development has brought great opportunities. Automotive electronic products environmental testing of the main test items include: