The Third China Satellite Navigation Conference in progress in Guangzhou, South China’s Guangdong Province, with satellite experts, government officials and business executives from China, the US, Russia, Europe and Japan participating in the event.The Beidou system chief designer, Sun Jiadong, said China will expand the Beidou satellite navigation service across the entire country. Beidou is a satellite navigation system developed by China and has been providing services since the end of 2011. The conference is a key stage for China to exchange knowledge with the world about satellite navigation know-how and to enhance innovation of its own satellite techniques.