Core Insights - The Beijing Municipal Market Supervision Administration conducted a quality supervision sampling of anti-theft security doors and locks, revealing that six batches of lock products were found to be non-compliant, involving brands such as Puxin, Jinsiyan, and PRINT [1][2] Group 1: Non-compliant Products - The non-compliant list includes the "PRINT" brand smart lock produced by Beijing Xincheng Wangjing Trading Co., which failed the anti-tampering alarm function [1][2] - The "Puxin" brand smart lock produced by Guangdong Zhengxin Intelligent Technology Co. did not meet the anti-drilling function requirements [1][2] - The "Jinsiyan" brand smart lock produced by Dongguan Kelingpu Technology Co. also failed the anti-tampering alarm function [1][2] Group 2: Standards and Recommendations - The GB 21556-2008 standard mandates that locks should provide an automatic alarm indication when subjected to three consecutive incorrect operations or external force damage [3] - The GA 374-2019 standard requires that electronic anti-theft locks with emergency mechanical locks should withstand at least 15 minutes of tampering [3] - Consumers are advised to check for compliance with GB 21556-2008 and GA 374-2019 standards when purchasing electronic anti-theft locks, prioritizing those with higher safety ratings [3]