Group 1 - The Hebei Zhangjiakou City Wuxian Market Supervision Administration released the quality supervision sampling information for finished oil products in May 2025 [3] - The sampling results include various gas stations in Wuxian County, with products such as E92 and E95 gasoline, as well as 0 diesel [4][5] - The testing was conducted by Shandong Huaber Testing Technology Co., Ltd., and the results indicate that the products met the required standards [6][7] Group 2 - Multiple gas stations were sampled, including Wuxian Anxinda, Wuxian Baihe East, and Wuxian Beiyue, with results showing compliance for both gasoline and diesel products [4][5][6] - The sampling dates varied, with some results dated as late as May 26, 2025, indicating ongoing monitoring of fuel quality [5][6] - The report highlights the importance of maintaining fuel quality standards to ensure safety and compliance within the industry [3][4]