国检集团：公司拥有国家太阳能光伏（电）产品质量检验检测中心

Group 1 - The core viewpoint of the article is that Guojian Group has established a national solar photovoltaic product quality inspection and testing center, which provides comprehensive testing and certification services for the entire photovoltaic industry chain [2][3] - Guojian Group offers services that include compliance testing based on relevant standards for materials, components, inverters, systems, and outdoor empirical testing [2]