Core Viewpoint - The Nanjing Market Supervision Administration conducted a quality inspection of winter consumer goods, revealing that 4 out of 80 batches tested were non-compliant, including electric hand warmers, cotton shoes, and cotton clothing [1] Group 1: Electric Hand Warmers and Electric Water Bags - A total of 10 samples were tested, with 9 passing and 1 failing, produced by "Cixi Xinpucheng Electric Appliance Factory," which had issues with input power and structure [2] - The non-compliance was attributed to low input power, which may not reach the required temperature, and the use of a prohibited "electrode heating method" that poses electric shock risks if leakage occurs [2] Group 2: Cotton Shoes - 10 samples were tested, with 8 passing and 2 failing, including products from "Wenzhou Xiaowan Footwear Co., Ltd." and "Zhejiang Red Dragonfly Footwear Co., Ltd." [3] - The non-compliance was related to the hardness of the shoe sole, which affects comfort and foot health, primarily due to poor material selection and manufacturing processes [3] Group 3: Cotton Clothing - 20 samples were tested, with 19 passing and 1 failing, produced by "Nanjing Zhiyou E-commerce Co., Ltd." [4] - The non-compliance was due to discrepancies in fiber content, which is crucial for determining product value and quality, indicating a lack of overall quality inspection before release [4] Group 4: Other Products - No non-compliance was found in the 20 samples of down jackets and 20 samples of woolen sweaters tested [5]

Core Insights - The Nanjing Market Supervision Administration reported that two batches of cotton shoes failed quality inspections due to non-compliance with the hardness standards of the molded sole heel, which can negatively impact wearing experience and foot health [1][4]. Group 1: Inspection Results - A total of 10 batches of cotton shoe samples were tested, with 2 batches found to be non-compliant [4]. - The non-compliance was specifically related to the hardness of the molded sole heel, which should be ≥70 Shore A for non-foamed materials and ≥75 Shore C for foamed materials, but the tested values were below these thresholds [4]. Group 2: Consumer Recommendations - Consumers are advised to purchase cotton shoes from reputable sources such as large shopping malls, specialty stores, or official brand flagship stores to avoid low-quality products [6]. - It is recommended to physically try on shoes when possible, checking for comfort and fit, especially around the forefoot area [6]. Group 3: Maintenance Tips - Regular cleaning and proper care are essential to extend the lifespan of cotton shoes, including using a soft brush with neutral detergent for cleaning and ensuring the insoles are dried properly [7]. - Shoes should be stored in a dry, cool, and well-ventilated environment, and precautions should be taken to avoid moisture and deformation [7].