Shengzhao Hardware is a professional lock manufacturer in China and trusted door lock supplier specializing in high-quality security lock manufacturing, precision-engineered hardware lock products, and OEM/ODM solutions.

With over 16 years of experience, we produce a wide range of products including stainless steel door locks, cylinder lock systems, padlocks, and commercial door hardware for residential, commercial, and industrial applications. As a reliable security hardware supplier, we are committed to delivering durable, safe, and innovative residential lock solutions and expanding into advanced segments such as smart locking systems.