About Us Founded in 2010 and headquartered in Zhejiang, China, Zhejiang Liangjie Locks Co., Ltd. is a dedicated hardware manufacturer operating a 13,000 m² production facility. Our plant is equipped with precision grinding machines, laser markers, profile projectors, and bench and upright drill presses, supported by a complete range of production and inspection equipment.We specialize in bathroom door locks, aluminum alloy door locks, and swing door locks. Multiple production lines run under strict process control at every stage, and our products have passed relevant quality certifications. Guided by our commitment to "Quality First, Service Supreme," we deliver reliable hardware to customers worldwide. Full OEM and ODM services are available, including custom colors and logo engraving. Customers are welcome to visit our factory at any time.