迦南智能：公司智能电表在售产品均已通过国家电网检测并取得相应资质证书，可稳定接入并上传各类用电数据

Group 1 - The core viewpoint of the article highlights that Canaan Intelligent (300880.SZ) has developed smart meters that support flexible configuration of multiple time periods and rates, meeting the requirements of the national power grid's data management system [2] - The company's products have passed the national grid testing and obtained the necessary qualification certificates, ensuring compliance with industry standards [2] - The smart meters are capable of minute-level data storage, aligning with the current trends in smart energy management, and enabling users to visualize and analyze energy consumption in a detailed manner [2]