Premium 9-6-NTLM Chinese Door Lock Set: Aluminum Security with 50mm Mortise Lock & Computer Keys
Meeting China’s Evolving Security Standards China’s door lock industry has undergone significant standardization reforms since 2000, aligning with global benchmarks like ANSI and British Standards. The 9-6-NTLM Chinese Size Lock Set represents this new generation of security hardware, combining international quality with localized specifications. Its 50mm mortise lock body meets GB 21556-2008 requirements while offering […]