Core Insights - The report from Changzhou Market Supervision Administration highlights the results of the first batch of product quality supervision inspections for 2025, focusing on the quality of waterproof materials used in construction [2]. Group 1: Inspection Results - A total of 15 batches of waterproof materials were inspected, with 1 batch found to be non-compliant [2]. - The non-compliant products will be handed over to the local market supervision departments for legal processing [2]. Group 2: Specific Product Findings - The inspection included various types of waterproof materials, such as modified asphalt waterproof rolls and EVA waterproof materials, with several brands and manufacturers involved [3][4]. - Specific brands like Jiangsu Haoyue New Waterproof Materials and Dongfang Yuhong were mentioned among those with non-compliant products [3].

Core Viewpoint - The recent quality supervision sampling results for construction waterproofing materials in Qingdao show that all 15 batches tested were compliant with standards, indicating a positive trend in product quality within the industry [2]. Group 1: Quality Inspection Results - The Qingdao Municipal Market Supervision Administration announced the results of the second batch of industrial product quality supervision sampling for 2025, specifically for construction waterproofing materials [2]. - A total of 15 batches of waterproofing materials were sampled, and all were found to be compliant with the relevant standards [2]. Group 2: Product Details - The sampled products included various types of waterproofing materials such as SBS modified asphalt waterproofing membranes and self-adhesive polymer membranes, all of which met the quality standards [3][4][5]. - Specific product details include dimensions such as width of 1 meter and thickness specifications, which were consistent across the tested batches [3][4].