1. Big Dipper (stock code: 002 15 1): Big Dipper is a company engaged in satellite navigation and positioning business, and its main products include Beidou chips, modules and navigation terminals.
2. Huace Navigation (stock code: 300627): Huace Navigation is a company providing high-precision satellite navigation and positioning services, and its products include Beidou receiver, positioning module and system solutions.
3. Zhenxin Technology (stock code: 300 10 1): Zhenxin Technology is a company engaged in the research and development of core chips of Beidou satellite navigation system, and its products include Beidou navigation chips, modules and application terminals.
4. Haige Communication (stock code: 002465): Haige Communication is a company engaged in the application and service of Beidou navigation system. Its main products include Beidou navigation terminal, command and dispatch system and application software.
5. China Satellite (stock code: 600 1 18): China Satellite is a company engaged in the research, development, production, launch and operation of Beidou satellite. Its main products include Beidou satellite, satellite application system and satellite operation service.
6. He Zhong stronghold (stock code: 002383): He Zhong stronghold is a company engaged in Beidou high-precision satellite navigation business, and its main products include Beidou high-precision chips, boards, receivers and system solutions.
7. NavInfo (stock code: 002405): NavInfo is a company engaged in Beidou navigation map and location service. Its main products include Beidou navigation electronic map, car networking service and automatic driving solution.
Please note that the above stock information may change with time, so be sure to pay attention to the latest market trends. When investing in stocks, please make sure that you fully understand the relevant company, industry and market risks, and seek professional investment advice.