Yes According to the information of CAST official website, CAST is a well-known car navigation audio-visual brand, which has a good cooperative relationship with more than 90 4S groups and hundreds of channel suppliers nationwide/KLOC-0, and it is innovative in research and development with high accuracy, so CAST is a big brand. Kastar, a brand of Guangdong Good Helper Electronic Technology Co., Ltd., has a history of 18 years. China aerospace industry partner, the National Bureau of Statistics certified navigation sales, sales volume, market share first, aerospace quality, industry benchmark, millions of car owners.