Chancheng lamp is a nine-year system and Shunde lamp is a twelve-year system. Zheng Guang Experimental School in Chancheng District, Foshan (hereinafter referred to as "Foshan Zheng Guang") is a nine-year high-end private boarding school approved by Chancheng Education Bureau of Foshan and invested by Zheng Guang Education Group. Shunde Zheng Guang Experimental School was built by Guangdong Zheng Guang Education Group, the largest basic education group in China, with an investment of 10 billion yuan. Covering an area of 300 mu, K 12 years full boarding high-end private school. So the difference is that the light of Chancheng is a nine-year system and the light of Shunde is a twelve-year system.