A humanoid robot is displayed at the International Industry Fair in Celje, Slovenia, April 16, 2026.

The four-day event, focusing on welding and cutting, smart maintenance, industrial digitalization, and logistics, will conclude here on Friday. (Photo by Zeljko Stevanic/Xinhua)

An exhibitor introduces a welding robot at the International Industry Fair in Celje, Slovenia, April 16, 2026.

The four-day event, focusing on welding and cutting, smart maintenance, industrial digitalization, and logistics, will conclude here on Friday. (Photo by Zeljko Stevanic/Xinhua)

Visitors view a welding robot at the International Industry Fair in Celje, Slovenia, April 16, 2026.

The four-day event, focusing on welding and cutting, smart maintenance, industrial digitalization, and logistics, will conclude here on Friday. (Photo by Zeljko Stevanic/Xinhua)

An exhibitor introduces a helmet visor wiper at the International Industry Fair in Celje, Slovenia, April 16, 2026.

The four-day event, focusing on welding and cutting, smart maintenance, industrial digitalization, and logistics, will conclude here on Friday. (Photo by Zeljko Stevanic/Xinhua)

Exhibitors communicate with visitors at the International Industry Fair in Celje, Slovenia, April 16, 2026.

The four-day event, focusing on welding and cutting, smart maintenance, industrial digitalization, and logistics, will conclude here on Friday. (Photo by Zeljko Stevanic/Xinhua)