In terms of qualification, reputation and map copyright, Khalid is slightly better than Bank of America. But in terms of updating map resources, Bank of America is better.

Shenyang American Airlines Technology Co., Ltd. is an emerging technology company focusing on in-vehicle information system and mobile Internet location service, providing American Airlines with real-time navigation map services, including in-vehicle navigation, mobile navigation, LBS online navigation and other products and functions.

Shenzhen Kailide Technology Co., Ltd., formerly known as Shenzhen Kailide Computer System Technology Co., Ltd. (referred to as Kailide), is the first brand of GPS navigation software in China. Kailide entered the navigation field from 1999, accompanied by the germination, start and development of China's navigation industry. 1999 started the research and development of navigation software, and took the lead in developing a navigation engine with independent intellectual property rights in China; In 2000, we began to develop the navigation map of China. In 2005, it obtained the qualification of navigation electronic map making (Grade A surveying and mapping), and in 2006, it released the first "full coverage" navigation electronic map in China.