Group 1: Patent Application - A patent titled "A Low-Cost Cold-Rolled Low-Alloy High-Strength Steel Production Method" has been applied for by several companies including Henan Angang Zhoukou Steel Co., Ltd., Anyang Iron and Steel Group Co., Ltd., Henan Steel Group Co., Ltd., and Anyang Iron and Steel Co., Ltd. The patent was published as CN119899930A with an application date of February 2025 [1] - The patent outlines a production method that includes several steps: hot rolling, acid rolling, continuous annealing, and galvanizing, ensuring the mechanical properties and surface quality of the final product [1] Group 2: Company Profiles - Henan Angang Zhoukou Steel Co., Ltd. was established in 2018, located in Zhoukou City, with a registered capital of 539.81 million RMB. The company has participated in 3,458 bidding projects and holds 16 patents [2] - Anyang Iron and Steel Group Co., Ltd. was founded in 1995, based in Anyang City, with a registered capital of 377.19 million RMB. The company has invested in 32 enterprises, participated in 4,570 bidding projects, and holds 519 patents [2] - Henan Steel Group Co., Ltd. was established in 2023, located in Zhengzhou City, with a registered capital of 2 billion RMB. The company has invested in 4 enterprises and participated in 5,000 bidding projects [2] - Anyang Iron and Steel Co., Ltd. was founded in 1996, also based in Anyang City, with a registered capital of 287.24 million RMB. The company has invested in 26 enterprises, participated in 5,000 bidding projects, and holds 957 patents [3]