On August 26, 2013, the first domestic application experience week for navigation by the autonomous navigation system, Beidou Navigation, was opened in Beijing. This activity, jointly sponsored by the China BeiDou Navigation Vehicle Application Industry Alliance and Kewei Electronic Technology Co., Ltd. under the guidance of the China Satellite Navigation System Management Office, has received support from many experts and distributors of the domestic BeiDou Satellite System. The reporter learned that since the end of 2012, the Beidou system had provided formal regional services, and related companies in China have accelerated the pace of research and development of Beidou vehicle navigation products on the platform of Beidou Vehicle Alliance, and have fully grasped the core technology of independent intellectual property rights. After several hundred, thousand, and ten thousand levels of user use and feedback optimization, Beidou car navigation products introduced during this experience week campaign have excellent performance and are compatible with GPS navigation systems currently used in the market. If users set up Beidou and GPS dual mode, they can enjoy more than 16 satellites at the same time, so that they can get better navigation services in the high-rise urban environment. Li Zuhong, the BeiDou Satellite System Builder and Deputy Chief Engineer, stated at the launch ceremony that the BeiDou system will enter the use stage in the world's largest auto and mobile phone market, and will allow more users to experience the perfect combination of car navigation and car electronics and promote The Beidou system business will be better popularized in China and will achieve its goal of being promoted in the global market by 2020. At several dealers in Beijing, the reporter found that the BeiDou navigation system has currently developed more than 200 models of Beidou car navigation products on more than 150 models at home and abroad, and currently has more than 1,000 in Beijing, Guangdong, Anhui, and Shandong. End-channel market and auto 4S shop sales. Among them, the company has been committed to car audio and video system development and navigation system for many years to promote the company, will be held in the country in the second half of the year more than 20 Beidou products promotion activities. It is reported that while launching Beidou vehicle navigation products, the relevant national departments are actively promoting the construction of the Beidou Ground Strengthened Network. Together with the Beidou System of the Sky, it will provide the public with precision meter navigation services. According to the company's personnel introduction, after entering the meter navigation, the Beidou navigation service may be accurate to the lane level. 4 Way Ball Valve,3 Way Ball Valve,Ball Valve Gaoshan Valve Co., Ltd. , http://www.hn-valves.com