A staff member adjusts a VR glasses in Wulian County of Rizhao City, east China's Shandong Province, March 26, 2026. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)

Staff members work on the production line of nanomaterials in Wulian County of Rizhao City, east China's Shandong Province, March 26, 2026. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)

A staff member cleans photovoltaic panels in Juxian County of Rizhao City, east China's Shandong Province, March 27, 2026. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)

A staff member works on the production line of nanomaterials in Wulian County of Rizhao City, east China's Shandong Province, March 26, 2026. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)

A staff member processes touchscreens in Juxian County of Rizhao City, east China's Shandong Province, March 27, 2026. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)

Staff members assemble fueling machines in Juxian County of Rizhao City, east China's Shandong Province, March 27, 2026. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)

An aerial drone photo taken on March 26, 2026 shows the parking lot of a new energy vehicle factory in Wulian County of Rizhao City, east China's Shandong Province. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)

A staff member checks on a touchscreen in Juxian County of Rizhao City, east China's Shandong Province, March 27, 2026. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)

This photo taken on March 26, 2026 shows a vehicle production line in Wulian County of Rizhao City, east China's Shandong Province. Rizhao has vigorously advanced technological upgrading initiatives, continuously promoting the transformation of traditional industries toward higher-end, intelligent, and green development, while fostering and expanding emerging and future-oriented industries, and striving to build a modern industrial system with distinctive port-based characteristics. (Xinhua/Guo Xulei)