Headquartered in Hong Kong, we manufacture and sell high quality mechanical locksets to customers in the United States (US) and Canada and have continued to diversify and refine our product offerings over the past 30 years to meet our customers’ needs. We believe we are one of the pioneers of mechanical lockset manufacturing in China. Since inception, to cope with our development and increase customer satisfaction in quality, we keep investing in self-designed automated product lines, new craftsmanship and developing new products including smart locks. In order to obtain the confidence of our customers, we have obtained the ISO9001quality assurance certificate.

To meet increasing consumer needs for smart locks and smart home products, we have been researching and developing smart locks in the past couple years.

(Note: Revenue and net income are for the year ended 12/31/19.)