Steel plates are pictured on the production line of a shipbuilding steel enterprise in Tangshan Port economic development zone in Tangshan, north China's Hebei Province, Dec. 26, 2025. Leveraging its geographical advantages, the economic development zone has developed industries such as high-quality steel, equipment manufacturing, fine chemicals, high-end bathroom product and new energy to boost high-quality economic growth. (Xinhua/Yang Shiyao)

A man works on the production line of a shipbuilding steel enterprise in Tangshan Port economic development zone in Tangshan, north China's Hebei Province, Dec. 26, 2025. Leveraging its geographical advantages, the economic development zone has developed industries such as high-quality steel, equipment manufacturing, fine chemicals, high-end bathroom product and new energy to boost high-quality economic growth. (Xinhua/Yang Shiyao)

A woman works at a bathroom product manufacturer in Tangshan Port economic development zone in Tangshan, north China's Hebei Province, Dec. 26, 2025. Leveraging its geographical advantages, the economic development zone has developed industries such as high-quality steel, equipment manufacturing, fine chemicals, high-end bathroom product and new energy to boost high-quality economic growth. (Xinhua/Yang Shiyao)

Workers work at a bathroom product manufacturer in Tangshan Port economic development zone in Tangshan, north China's Hebei Province, Dec. 26, 2025. Leveraging its geographical advantages, the economic development zone has developed industries such as high-quality steel, equipment manufacturing, fine chemicals, high-end bathroom product and new energy to boost high-quality economic growth. (Xinhua/Yang Shiyao)