Zhong Guo Zhi Liang Xin Wen Wang·2025-09-16 06:22Group 1 - The Shandong Provincial Market Supervision Administration recently announced the results of the provincial quality supervision inspection for point-type smoke fire detectors for 2025, with a total of 11 batches inspected [3][4] - The inspection covered both production (4 batches) and sales (7 batches) stages, adhering to the standards set by GB 4715-2024 [3][4] - All inspected products passed the quality tests, which included smoke response repeatability, smoke response orientation, power parameter fluctuation, airflow interference resistance, high-temperature operation, and low-temperature operation tests [3][4] Group 2 - A summary table of the inspection results indicates that all tested point-type smoke fire detectors from various manufacturers met the quality standards [4][5] - The manufacturers involved in the inspection include Qingdao Dingxin Communication Fire Safety Co., Ltd., Shandong Zhonghai Intelligent Technology Co., Ltd., and Shandong Smarfire Intelligent Technology Co., Ltd., among others [4][5] - The inspection results reflect a commitment to maintaining high safety standards in fire detection technology within the province [3][4]