If we talked about GPS ten years ago, we believe that few people know what it is. But with the rapid development of science and technology, GPS has experienced a development process from no one knowing to the market "blowout" consumers competing to buy. Such a change seems to have brought an electronic product that was originally regarded as a high-tech product into the lives of ordinary people in the blink of an eye, and has become an essential "pet" for people's daily travel.

　　At present, the civil scope of GPS has included land transportation, marine transportation, civil aviation, communications, surveying and mapping, architecture, mining, agriculture, power system, medical applications, scientific research, household appliances, entertainment and other fields, and the well-known automobile navigation is just one of them.

　　Most Chinese people understand and contact GPS from the rapid warming of the PND market in recent years. In 2007 and 2008 alone, the domestic GPS market has undergone many changes. With the adjustment of the appearance design, auxiliary functions and price system, the mainstream product lineup is being updated. Similarly, consumers' awareness of products and the market is also increasing, which has promoted the development of the industry while intensifying market competition.

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