Visitors experience AI-powered traditional Chinese medicine (TCM) healthcare during the 6th China (Gansu) TCM Industry Expo in Longxi County of Dingxi City, northwest China's Gansu Province, Aug. 24, 2025. The expo opened here on Sunday. (Photo by Wang Kexian/Xinhua)

Visitors walk past the area of AI-powered traditional Chinese medicine (TCM) healthcare during the 6th China (Gansu) TCM Industry Expo in Longxi County of Dingxi City, northwest China's Gansu Province, Aug. 24, 2025. The expo opened here on Sunday. (Photo by Wang Kexian/Xinhua)

A visitor experiences traditional Chinese medicine (TCM) treatment during the 6th China (Gansu) TCM Industry Expo in Longxi County of Dingxi City, northwest China's Gansu Province, Aug. 24, 2025. The expo opened here on Sunday. (Photo by Wang Kexian/Xinhua)