On September 2, 2025, the Zhejiang Fastener Industry Association successfully released the group standard "Quantification Methods and Requirements for Carbon Footprint of Greenhouse Gas Products - Fasteners" on the National Group Standard Information Platform. This standard was led by Zhejiang Guojian Testing Technology Co., Ltd. and jointly formulated by 20 enterprises, institutions and 31 industry insiders. The project was initiated on June 6, 2024. After going through the prescribed sequence of discussions with relevant personnel, name changes in accordance with relevant requirements, visits to related enterprises, soliciting opinions, and organizing expert reviews, it took 15 months and finally met the release conditions.