Company Profile Our main business is all kinds of door lock and two hundred kinds of hardware. We are the first manufactory to pass the America A156.13-2005 Standard (3 grade) and European EN12209:2003 standard (2 grade). Our company has perfect management system and complete testing machinery, strictly operate according to the ISO quality management system. Our talents are all complete and the technical strength abundant. Our products are very popular in both of domestic and overseas market.