xinsteel(SH:600782) Sou Hu Cai Jing·2026-01-27 07:16Group 1 - The State Intellectual Property Office of China granted a patent for a "machine vision-based color difference detection system and method for plates and strips" to Zhangjiagang Yangtze River Cold Rolled Sheet Co., Ltd., Jiangsu Shagang Group Co., Ltd., and Jiangsu Shagang Steel Research Institute Co., Ltd. The patent announcement number is CN120976325B, with an application date of October 2025 [1][2] - Zhangjiagang Yangtze River Cold Rolled Sheet Co., Ltd. was established in 2011, located in Suzhou, with a registered capital of 5.1 billion RMB. The company has participated in 205 bidding projects and holds 599 patents, along with 44 administrative licenses [1] - Jiangsu Shagang Group Co., Ltd. was founded in 1996, also located in Suzhou, with a registered capital of 4.5 billion RMB. The company has invested in 125 enterprises, participated in 5,000 bidding projects, and holds 4,072 patents, along with 65 administrative licenses [1] - Jiangsu Shagang Steel Research Institute Co., Ltd. was established in 2007, located in Suzhou, with a registered capital of 50 million RMB. The company has invested in 1 enterprise, participated in 5 bidding projects, and holds 2,610 patents, along with 3 administrative licenses [2]