Children in ethnic costumes stage a show at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Song)

People visit the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Jianwei)

An exhibitor displays a remote surgical equipment at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Zhang Tao)

People visit the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Zhang Tao)

People visit the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Jianwei)

Models present Bosideng products at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Song)

People visit the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Jianwei)

A robot is pictured at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Zhang Tao)

A humanoid robot is pictured at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Jianwei)

Models present Bosideng products at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Zhang Tao)

A humanoid robot is pictured at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Zhang Tao)

Visitors look at cultural and creative products at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Jianwei)

A robotic hand is pictured at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Zhang Tao)

Visitors look at smart robotic arms at the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Jianwei)

Visitors walk to the venue of the 34th Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, May 17, 2025. The fair opened here on Saturday, attracting exhibitors from over 110 countries and regions. (Xinhua/Wang Song)