Group 1 - A series of national standards will be implemented starting from May 1, covering various products and industries [1][2][3] - The mandatory standard for toilets (GB 25502—2024) specifies water efficiency levels, technical requirements, testing methods, and testing devices [1] - The recommended standard for dining tables and chairs (GB/T 24821—2024) outlines classification, requirements, inspection rules, labeling, usage instructions, packaging, transportation, and storage [1] - The recommended standard for wooden furniture (GB/T 3324—2024) details requirements, inspection rules, labeling, usage instructions, packaging, transportation, and storage [1] - The recommended standard for lightning disaster prevention in tourist areas (GB/T 44709—2024) provides technical support for lightning monitoring, protection of infrastructure, and safety signage [1] Group 2 - The recommended standards for construction materials (GB/T 11981—2024) cover light steel keel, aluminum panels, metal ceiling boards, insulation boards for non-load-bearing walls, and wooden doors and windows [2] - The green product evaluation standards for ceramic tiles (GB/T 35610—2024) and wall materials (GB/T 35605—2024) focus on evaluating resource, energy, environmental, and quality attributes [2] - The recommended standard for after-sales service return policies (GB/T 44904—2024) outlines conditions, processes, and service evaluation for no-reason returns [2] - The mandatory standards for fire-resistant curtains (GB 14102.1—2024) enhance safety and longevity requirements for fire-resistant products in public buildings [2] Group 3 - The mandatory standard for emergency lighting and evacuation indication systems (GB 17945—2024) specifies product structure, functionality, and battery performance [3] - The mandatory standard for point-type smoke fire detectors (GB 4715—2024) details product classification, reliability, interference resistance, and limits on false alarm and missed alarm rates [3] - The mandatory standard for fire alarm controllers (GB 4717—2024) defines operation methods, communication protocols, bus performance, and data analysis functions to improve response speed [3]