Group 1 - Thailand's Ministry of Commerce initiated an anti-circumvention investigation on cold-rolled carbon steel products from mainland China, following requests from domestic companies [1] - The investigation aims to determine if the products have been slightly altered to circumvent existing anti-dumping measures [1] - Thailand previously imposed anti-dumping duties on cold-rolled carbon steel from mainland China, Taiwan, and Vietnam, with the current measures set to expire on January 24, 2024 [1] Group 2 - Baoshan Iron & Steel Co., Ltd. and its five subsidiaries are involved in the investigation, including Baosteel Zhanjiang Iron and Steel Co., Ltd. and Wuhan Iron and Steel Co., Ltd. [2] - The Maanshan Group and its six subsidiaries, including Maanshan Iron and Steel Co., Ltd. and China BaoWu Steel Group Corporation Limited, are also implicated [2]