Group 1 - The core point of the article is that China Railway Materials (000927) announced plans to establish a joint venture named Zhongchu Shidai Green Chain Technology Co., Ltd. with a registered capital of 500 million yuan, aiming to enhance logistics efficiency and promote low-carbon upgrades in the logistics industry [2] - The company will invest 25 million yuan, holding a 5% stake in the joint venture, which includes other contributors such as China Materials Storage and Transportation Group, China Logistics Co., Ltd., and others [2] - The joint venture aims to provide competitive new energy transportation solutions, initially focusing on logistics and operational leasing services for specific areas like mining and infrastructure, with long-term plans for supplementary services such as energy replenishment and battery recycling [2] Group 2 - The main business of China Railway Materials includes comprehensive services for the railway industry and integrated supply chain services for engineering materials [3] - In the first three quarters, the company achieved a net profit attributable to shareholders of 453 million yuan, representing a year-on-year increase of 2.74% [3]