GREE(SZ:000651) Zheng Quan Ri Bao·2025-07-23 17:13Group 1 - The newly released IEC international standard for "Distributed Photovoltaic Power Generation Access to Low Voltage DC Systems and Use Cases" is the first international standard in the photovoltaic DC field, laying the foundation for distributed photovoltaic development and new distribution system construction [1][2] - China has been actively participating in the formulation of international standards, contributing to a more complete industrial ecosystem and enhancing competitiveness in the global industrial chain [1][2] - The standard focuses on typical scenarios and key technologies for low voltage DC systems, summarizing global engineering cases and defining technical requirements for system control, fault response, and stable operation [1] Group 2 - The international standard was developed over four years by a working group led by Shanghai Jiao Tong University and Huaneng Jiangsu Comprehensive Energy Service Co., involving experts from 14 countries including Germany and the United States [2] - China is the world's largest photovoltaic manufacturing and installation country, with leading technology levels and industry scale, actively contributing to international standard formulation [2] - A new IEC international standard proposal focusing on carbon footprint accounting for photovoltaic products has been officially established, marking the first international standard in the photovoltaic field to address carbon footprint [2] Group 3 - Two international standards for refrigeration compressors, led by Gree Electric Appliances, were successfully established and published, marking the first new standards in the ISO refrigeration compressor field in 20 years [3] - Companies are increasingly focusing on participating in international standard formulation, with Shenzhen Jinxinno High-tech Co., Ltd. having led or participated in the revision of 25 IEC standards as of December 31, 2024 [3] - Gree Electric has nearly 1,000 standard technical experts and has led or participated in the formulation of over 900 domestic and international standards [3] Group 4 - The transition from being a "standard follower" to a "standard maker" requires long-term efforts, including enhancing committee construction, accelerating the transformation of technological innovations into standards, and encouraging enterprises to participate in international standard formulation [4]