Lisa Heller, Consul General of the U.S. in Guangzhou, visited Zhongshan on January 13 with her colleagues. During its trip, the delegation visited Zhongshan National Health Technology Park, local companies including Lifesense Medical Electronics and Huayi Lighting, as well as the Museum of Dr. Sun Yat-sen. Guo Daiyun, Deputy Director General of Zhongshan Foreign Affairs Bureau, received the delegation.