Group 1 - High temperatures have led to increased demand for electric coal transportation, with over 7,000 coal-laden trains departing daily from Changzhi, Shanxi to provinces like Henan, Shandong, and Hebei [2] - The railway line through the Taihang Mountains has complex terrain, resulting in a 10% increase in traffic during the summer, necessitating the replacement of over 300 brake pads daily at the Changzhi South inspection yard [4] - A typical electric coal train, consisting of 60 cars, requires a 35-minute technical inspection to ensure timely departure, with critical checks performed manually and brake performance tests conducted by an intelligent robot nicknamed "Little Crab" [6] Group 2 - In Henan, construction projects are ongoing despite the heat, with workers using special air-conditioned protective clothing to cope with high temperatures [8] - An aluminum production facility in Henan is producing 6,000 tons of aluminum alloy plates for shipment to Anhui, providing employees with heat subsidies and cooling supplies [10] - The meteorological forecast indicates that high temperatures will persist in Henan, prompting public advisories to minimize outdoor exposure during peak heat hours [12] Group 3 - Chengdu has issued a red alert for high temperatures, with ground temperatures at the airport nearing 50°C, yet ground staff continue to work to ensure safe and orderly summer flight operations [13][15] - Hundreds of flights operate daily from Chengdu Shuangliu International Airport, with maintenance of high mast lights being essential for safe operations, requiring staff to work in extreme heat [17] - The airport has established shared rest areas for frontline workers, providing a cool and comfortable environment with essential supplies and first aid items [19]

Group 1 - Guazhou County is implementing an "industrial strong county" strategy, focusing on industrial-led development to stabilize the economy and attract investment [1][3] - The LNG peak-shaving storage project by Gansu Maoque Energy Co., Ltd. has completed 70% of its total engineering work and is expected to be operational by August 15, 2025, with a total investment of 1.06 billion yuan [3][4] - The project will produce approximately 460,000 tons of LNG annually, generating an annual output value of 2.4 billion yuan [3][4] Group 2 - The Jinweihongyuan Guazhou Rail-Water Logistics Park is enhancing coal transportation efficiency, utilizing advanced loading technology to reduce costs for clients [3][4] - The dedicated railway line spans 3.26 kilometers and has an annual loading capacity of 4 million tons, contributing to the integration of coal production and sales in the region [4] - From January to April, Guazhou County has advanced 44 key investment projects, with an expected investment of 87.55 billion yuan and a year-on-year increase of 38.64% in actual investment funds [4]