A staff member checks the medical supplies loaded on a China-Europe freight train at Jinan South Railway Station in Jinan, east China's Shandong Province, April 26, 2020. A China-Europe freight train loaded with 21 million protective gloves was ready on Sunday to leave Jinan for Budapest, capital of Hungary. (Xinhua/Wang Kai)

Aerial photo taken on April 26, 2020 shows the China-Europe freight train loaded with medical supplies at Jinan South Railway Station in Jinan, east China's Shandong Province, April 26, 2020. A China-Europe freight train loaded with 21 million protective gloves was ready on Sunday to leave Jinan for Budapest, capital of Hungary. (Xinhua/Wang Kai)

A staff member checks the loading work of medical supplies on a China-Europe freight train at Jinan South Railway Station in Jinan, east China's Shandong Province, April 26, 2020. A China-Europe freight train loaded with 21 million protective gloves was ready on Sunday to leave Jinan for Budapest, capital of Hungary. (Xinhua/Wang Kai)

A staff member checks the loading work of medical supplies on a China-Europe freight train at Jinan South Railway Station in Jinan, east China's Shandong Province, April 26, 2020. A China-Europe freight train loaded with 21 million protective gloves was ready on Sunday to leave Jinan for Budapest, capital of Hungary. (Xinhua/Wang Kai)