Over the past 20 years, it has been our top priority to make continuous improvement on quality management and control system. Being awarded the ISO 9001 : 2015 certificate, we are dedicated relentlessly to put in place the stringent quality control and inspection process from raw material to final pack products. Samples are taken from each order for cycle test, salt-spray test etc. in our own testing lab before shipment.As aresult, our door locks have received high popularity and good reputation among locksmiths, builders, REO contractors, wholesalers and hardware distributors especially in USA, Canada, Australiaand Southeast Asian countries.