Group 1 - The core viewpoint of the article is the approval and upcoming implementation of the national calibration standard for weighing scales, which aims to enhance the accuracy and reliability of weight measurement in the industry [1] - The new calibration standard will be effective from December 11, 2025, focusing on key measurement characteristics of weighing scales [1] - The standard specifies calibration items, methods, and uncertainty assessment methods, emphasizing core technical indicators such as measurement error, repeatability, and load position deviation [1] Group 2 - The implementation of this standard is expected to promote high-quality development within the domestic weighing scale industry [1] - It provides consumers with more accurate and reliable weight measurement services, enhancing consumer trust in weighing products [1] - The calibration methods are tailored for different types of weighing scales, including digital and spring scales, detailing the selection of standard instruments, weighing points, and load application positions [1]