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].