Visitors learn about Intelligent Total Station products at the 11th China Satellite Navigation Conference in Chengdu, southwest China's Sichuan Province, Nov. 24, 2020. Participating companies of the conference showcase their latest applications and services based on BeiDou Navigation Satellite System (BDS). (Xinhua/Tang Wenhao)

A visitor learns about a high-precision Global Navigation Satellite System (GNSS) receiver at the 11th China Satellite Navigation Conference in Chengdu, southwest China's Sichuan Province, Nov. 24, 2020. Participating companies of the conference showcase their latest applications and services based on BeiDou Navigation Satellite System (BDS). (Xinhua/Tang Wenhao)

Photo taken on Nov. 24, 2020 shows electric boosting bicycles equiped with high-precision positioning chips for China's BeiDou Navigation Satellite System (BDS) navigation at the 11th China Satellite Navigation Conference in Chengdu, southwest China's Sichuan Province. Participating companies of the conference showcase their latest applications and services based on BeiDou Navigation Satellite System (BDS). (Xinhua/Tang Wenhao)

Photo taken on Nov. 24, 2020 shows an intelligent connected vehicle with China's BeiDou Navigation Satellite System (BDS) at the 11th China Satellite Navigation Conference in Chengdu, southwest China's Sichuan Province. Participating companies of the conference showcase their latest applications and services based on BeiDou Navigation Satellite System (BDS). (Xinhua/Tang Wenhao)

A visitor uses a magnifier to observe a 22-nm new-generation high-precision positioning chip at the 11th China Satellite Navigation Conference in Chengdu, southwest China's Sichuan Province, Nov. 24, 2020. Participating companies of the conference showcase their latest applications and services based on BeiDou Navigation Satellite System (BDS). (Xinhua/Tang Wenhao)