唐山这个钢企大动作！350万吨钢铁项目动工！

Group 1 - The Guangdong Donglai New Materials cold-rolled project has commenced construction, marking a significant milestone in the development of a trillion-level metal manufacturing industry cluster in Yunfu City [1] - The project includes the construction of various facilities such as acid rolling units, galvanizing units, and annealing furnaces, with a designed annual production capacity of 1.9 million tons of cold-rolled products, 900,000 tons of hot-dip galvanized and zinc alloy products, and 700,000 tons of color-coated sheets, totaling 3.5 million tons [3] - The total investment for the Guangdong Donglai New Materials cold-rolled project is 6.3 billion [3] Group 2 - Guangdong Donglai New Materials Co., Ltd. is a subsidiary of Tangshan Donghai Steel Group Co., Ltd., holding a 99% stake in Guangdong Southern Donghai Steel Co., Ltd. [4]