Most of Keyman's products are designed &developed according to ANSI/BHMA's and UL standard.The products are manufactured under the strictest quality and design scheme giving clients and consumers the guarantee hardware of great utility,durability,resistance and a perfect price-quality ratio. Keyman Lock is ANSI / UL standard hardware manufacuturer Consequently,the mission of Keyman is to become a World Class Enterprise through a vanguard technological infrastructure. We have many years of production and management experience, to provide you with more professional products and services. We have many years of production and management experience, to provide you with more professional products and services.