A foreign buyer watches a pet robot and an educational robot at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. The 137th edition of the Canton Fair kicked off on Tuesday, with the number of export exhibitors exceeding 30,000 for the first time in the history of this famous event. The first phase of the Canton Fair, held from April 15 to 19, focuses on advanced manufacturing and for the first time added a special zone for service robots, showcasing the latest achievements of China's AI development efforts. [Photo/Xinhua] Buyers watch the performances of the robot dogs at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] Foreign buyers interact with a robot dog at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] This photo taken on April 15, 2025 shows a photovoltaic panel cleaning robot and a high-altitude curtain wall cleaning robot at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province. [Photo/Xinhua] A foreign buyer tries gesture control technology at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] People watch the demonstrations of intelligent sorting robots at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] Foreign buyers experience robots-made coffee at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] This photo taken on April 15, 2025 shows the exhibits of robotic dexterous hands at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province. [Photo/Xinhua] People watch a humanoid robot demonstration at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] A foreign buyer has business talks at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] People visit the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] Buyers watch the integrated patrol robot for inspection and combat at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] Buyers look at a firefighting robot at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] Foreign buyers look at a humanoid robot at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province, April 15, 2025. [Photo/Xinhua] This photo taken on April 15, 2025 shows a robotic arm demonstrating dexterous hand functions at the Service Robots Zone during the 137th edition of the China Import and Export Fair, also known as the Canton Fair, in Guangzhou, south China's Guangdong Province. [Photo/Xinhua]