A girl selects jade jewelry for her parents at the 2025 China Kunming International Stone Expo in Kunming, southwest China's Yunnan Province, on July 10, 2025. The 2025 China Kunming International Stone Expo opened in Kunming Thursday. The 5-day expo covers an area of about 50,000 square meters, gathering over 100 domestic and foreign business associations and exhibition groups. (Xinhua/Chen Xinbo)

People sell jade jewelry via livestreaming at the 2025 China Kunming International Stone Expo in Kunming, southwest China's Yunnan Province, on July 10, 2025. The 2025 China Kunming International Stone Expo opened in Kunming Thursday. The 5-day expo covers an area of about 50,000 square meters, gathering over 100 domestic and foreign business associations and exhibition groups. (Xinhua/Chen Xinbo)

An exhibitor (3rd R) sells jade articles at the 2025 China Kunming International Stone Expo in Kunming, southwest China's Yunnan Province, on July 10, 2025. The 2025 China Kunming International Stone Expo opened in Kunming Thursday. The 5-day expo covers an area of about 50,000 square meters, gathering over 100 domestic and foreign business associations and exhibition groups. (Xinhua/Chen Xinbo)

An exhibitor (L) introduces jade jewelry to a customer at the 2025 China Kunming International Stone Expo in Kunming, southwest China's Yunnan Province, on July 10, 2025. The 2025 China Kunming International Stone Expo opened in Kunming Thursday. The 5-day expo covers an area of about 50,000 square meters, gathering over 100 domestic and foreign business associations and exhibition groups. (Xinhua/Chen Xinbo)

This photo taken on July 10, 2025 shows a scene of the 2025 China Kunming International Stone Expo in Kunming, southwest China's Yunnan Province. The 2025 China Kunming International Stone Expo opened in Kunming Thursday. The 5-day expo covers an area of about 50,000 square meters, gathering over 100 domestic and foreign business associations and exhibition groups. (Xinhua/Chen Xinbo)

A customer (2nd L) selects jade bracelets at the 2025 China Kunming International Stone Expo in Kunming, southwest China's Yunnan Province, on July 10, 2025. The 2025 China Kunming International Stone Expo opened in Kunming Thursday. The 5-day expo covers an area of about 50,000 square meters, gathering over 100 domestic and foreign business associations and exhibition groups. (Xinhua/Chen Xinbo)

This photo taken on July 10, 2025 shows amber jewelry displayed at the 2025 China Kunming International Stone Expo in Kunming, southwest China's Yunnan Province. The 2025 China Kunming International Stone Expo opened in Kunming Thursday. The 5-day expo covers an area of about 50,000 square meters, gathering over 100 domestic and foreign business associations and exhibition groups. (Xinhua/Chen Xinbo)